How to Fix a Broken Backpack Strap?

Broken backpack zipper, is it possible to fix this? I can get the zipper past the hole if I keep both sides even by tugging with my other hand, just a pain

I'm decent at sewing, but are there any tactics/methods to reinforce this backpack strap I should know about before I start working on this? TIA! : r/Visiblemending

STL file Backpack buckle・Template to download and 3D print・Cults

Backpack Strap Repair

How do I fix this ripped backpack strap? : r/sewing

Fixing My Backpack Straps~

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JFFCESTORE Replacement Buckle for Strap 1,Repair Kit Quick Release Buckles No Cutting or Sewing for Backpack Bag Tactical Vest 4PC (Black) : Arts, Crafts & Sewing