Le Klint Cord Adjuster, white | Finnish Design Shop
Plastic Cord Lock 45Pcs Single Hole/Double Hole Cord Stopper Spring Cord Toggle for Drawstrings/Paracord/Shoelaces Black Elastic Cord Adjuster by Double Elite Mixed 45 pcs
Le Klint Cord Adjuster, black | Finnish Design Shop
Le Klint Cord Adjuster, white - steel | Finnish Design Shop
Cord Locks for Mask, Elastic Adjuster Silicone Cord Stopper No-Slip Earloop Toggles for Drawstring Buckle Clasp Spring (400PCS-Black) - Walmart.com