If your croc rivet or fastener has chipped or broken off and caused the strap to come loose, you can follow this guide to repair the issue. With
How to Replace a Croc Anke Strap Rivet - iFixit Repair Guide
Repair Broken Crocs Rivets from CrocsRivets.com
How To Repair CROCS Broken Toe Strap - Easy CROCS Repair
Crocs Replacement Strap Buttons Fix
Quick & Easy repair solution: Two replacement parts that 'snap' together will have you back in your crocs in no time. No skill or tools required, just
NEEDJING Replacement Rivets for Crocs Shoes Strap Repair for Crocs Rivet Replacements Shoe Backstrap Repair Fastener Button
Flip-Flop Line Strap Replacement - iFixit Repair Guide
The strap broke off when I bumped into a corner, I was hoping someone here could give me an idea on how to fix it :) : r/fixit
4 x Snaps for Crocs Shoe Repair Rivet Button to fix Broken Heel Strap FREE SHIP
Croc Shoe Repair, For Free!
Crocs Repair Guide: How To Mend Broken Crocs & Strap - Wearably Weird
Croc Shoe Repair, For Free!
How to Fix a Crocs Strap