[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-347538-105":59,"doc-detail-347538-en":130},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":123,"head_meta":125,"extra_data":127,"updated_unix":129},105,"en","park-sling-backpack-strap-hack-step-by-step-sewing-guide","Park Sling Backpack Strap Hack - Step-by-Step Sewing Guide","","Park Sling Backpack Strap Hack provides a detailed, step-by-step sewing workflow to construct and attach adjustable sling backpack straps. It lists required zipper, rings, swivel clips, sliders, and nylon strapping, then guides cutting and interfacing with Shape Flex, fusing foam to strap pieces, forming the zipper channel, and assembling the lining with precise seam allowances. It further explains making strap tabs using double-fold bias tape, topstitching, measuring tab placement, sewing secure hardware, and installing sliders and swivel clips for sling or two-strap backpack use.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":53,"@type":76,"position":81},"https://docshare.wps.com/document/lifestyle/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/park-sling-backpack-strap-hack-step-by-step-sewing-guide/347538/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/park-sling-backpack-strap-hack-step-by-step-sewing-guide/347538.png","ImageObject",300,407,{"name":92,"@type":93},"Franzy","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-09-25","2026-09-22",true,{"@type":102,"interactionType":103,"userInteractionCount":81},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What materials and hardware are needed for this Park Sling Backpack strap hack?","Question",{"text":112,"@type":113},"You need a 30-inch handbag zipper, triangle rings or D-rings, swivel clips, sliders, and 1-inch wide nylon strapping. You also need Shape Flex and foam cut to the strap pattern piece size.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"How do you prepare the strap and zipper channel during construction?",{"text":117,"@type":113},"Baste the foam to a strap piece using a 1/8-inch seam allowance, then sew along both sides of the traced center line and cut the strap in half. Mark and heat seal the zipper ends to 23 inches, fold the open end back by 45 degrees, then pin and sew the zipper to the strap with a 1/4-inch seam allowance.",{"name":119,"@type":110,"acceptedAnswer":120},"How do you install the sliders and swivel clips to make the straps adjustable?",{"text":121,"@type":113},"Cut the nylon strapping in half and heat seal the ends. Measure and stitch near the edges to secure the metal slider, then thread the swivel clips by routing the strap under and over the slider bars as described. Repeat for the other strap side, and you can wear it as a sling or as a two-strap backpack.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},347538,1790317759,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":52,"category_name":53,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":81,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":34,"language":139,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":140,"faqs":141,"seo_title":142,"seo_description":67,"update_tm":143,"read_time":144},2336478945519,"https://ap-avatar.wpscdn.com/davatar_085a072bc5b1113ac321206ff7593b45","Park Sling Backpack Strap Hack  \nSUPPLIES:  \n-One 30\" \\#4 .5 or \\#5 handbag zipper  \n-Two 1\" Triangle Rings or D-Rings  \n-Four 1\" Swivel Clips  \n-Two 1\" Sliders  \n-29\" of 1\" wide nylon strapping  \nCUTTING AND INTERFACING  \nYou will cut out your strap fabric as instructed in the pattern. Fuse Shape Flex to each Strap piece as per manufacturer's instructions.  \nYou will cut your foam using the Strap Pattern Piece. It will NOT be cut on the dashed lines, you want it the same size as the Strap Pattern Piece.  \nTo Make the Strap  \n1. Baste the foam to one of the Strap pieces, using 1/8\" seam allowance.  \n2. Fold the Strap Pattern Piece in half and lay it on top of the strap piece with the foam attached. Lineup the outer edges and pin or clip in place.  \n3. Trace the center line.  \n4. Sew 1/8\" away from the center line you drew on both sides of the center line.  \n5. Cut the strap in half along the line you drew.  \n6. Mark and trim your zipper to exactly 23\" . Heat seal both ends of the zipper to prevent it from fraying. Make sure your zipper pull is within the 23\". Create a new bartack on only the closed end of the zipper.  \n7. Fold each side of the open end of the zipper back by 45 degrees, and then stitch in place. You can use the same method Sara uses for this in the Clydebank Tote pattern or use the method she showed on her October 27th, 2019 Sewcial Sunday Show. At the 25:38 mark Sara demos how to turn a zipper at a 90 degree angle [https://www.youtube.com/watch?v=0gjQ88MfyVU](https://www.youtube.com/watch?v=0gjQ88MfyVU)  \n8. Pin the zipper in place, starting at the top where the straight edge is, all the way down the long straight edge of the strap. Sew using 1/4\" seam allowance.  \n9. Place the lining face down, on top of the wrong side of the zipper. Pin in place. Sew on top of your previous stitches.  \n10. Flip the fabrics so they are wrong sides touching and press. Do not top stitch yet.  \n11. Pin the bottom curved edge only going up 6\" and sew using 1/4\" seam allowance.  \n12. Turn right sides out. Turn and press under the raw edges by 1/4\". You can use double sided tape to help hold them together. Use clips or pins to also help hold these together so that nothing shifts on you while sewing. You do not need to pin the top short straight edge. This can remain raw as it will be hidden within the seams later in the construction of the bag.  \n14. Sew 1/8\" down beside the zipper and then back up the other side where your edges are pinned together. This will enclose all the raw edges. You do not need to sew the top short straight edge.  \n15. You will repeat Steps 7-14 for the other side of the zipper. When you're pinning the bottom curved edge, in Step 11, the other side of the zipper that is already completed, will be sandwiched in  \nbetween the layers. You'll need to be careful sewing, go slow making sure that side of the strap doesn't get caught in your stitches.  \nATTACHING THE HARDWARE  \nMaking the Strap Tabs:  \nCut two pieces of fabric and Shape Flex 4\" x 2\". Fuse Shape Flex to each Strap piece as per manufacturer's instructions.  \n1. Fold the fabric in half along the long edge and press. Open up and fold both long edges in to the center crease and press. Fold in half and press. You have now created a piece of double fold bias tape.  \n2. Topstitch 1/8\" along both long edges.  \n3. Fold the long edge up by 1/2\" and place the hardware you chose to use at this fold.  \n4. Fold the other raw edge down to meet in the center, touching the other short raw edge. Place some pins or clips to hold it in place.  \n5. Measure and make a mark that is 1\" up from the bottom corner of the curved edge. Place the completed strap tab at this mark. The edge with straight edge of the hardware will be on this line. Sewin place using 1/8\" and getting as close to the hardware as you can without your needle hitting it. You can also sew an 'X' in the box you created. I like to stitch over this box a few times for extra security.  \n6. Repeat steps 1-5 fo","cbCaip1mtWSkEwLz","https://ap.wps.com/l/cbCaip1mtWSkEwLz","pdf",649460,"English","# Supplies\n# Cutting and Interfacing\n# To Make the Strap\n# Attaching the Hardware\n## Making the Strap Tabs\n## Making the Straps\n# Wear Options","[{\"question\":\"What materials and hardware are needed for this Park Sling Backpack strap hack?\",\"answer\":\"You need a 30-inch handbag zipper, triangle rings or D-rings, swivel clips, sliders, and 1-inch wide nylon strapping. You also need Shape Flex and foam cut to the strap pattern piece size.\"},{\"question\":\"How do you prepare the strap and zipper channel during construction?\",\"answer\":\"Baste the foam to a strap piece using a 1/8-inch seam allowance, then sew along both sides of the traced center line and cut the strap in half. Mark and heat seal the zipper ends to 23 inches, fold the open end back by 45 degrees, then pin and sew the zipper to the strap with a 1/4-inch seam allowance.\"},{\"question\":\"How do you install the sliders and swivel clips to make the straps adjustable?\",\"answer\":\"Cut the nylon strapping in half and heat seal the ends. Measure and stitch near the edges to secure the metal slider, then thread the swivel clips by routing the strap under and over the slider bars as described. Repeat for the other strap side, and you can wear it as a sling or as a two-strap backpack.\"}]","Park Sling Backpack Strap Hack - Step-by-Step Sewing Guide | PDF",1790067688,11]