These are special cord locks with the whole part acting like a spring. The C squeezes together and the cord is inserted into the hole. Fits up to
Wholesale Garment mini cord lock For Making Clothes
Ultralight Double-Hook Apparatus Lightest Shelter Closure System
Spring-Less Black Cord Locks
MAKE YOUR OWN GEAR
Available in the colors yellow, red, pink, green, blue, and black and in pack sizes of 5, 10, 20, 25, 50, 100, and 250. Ideal for crafts using low
Craft County Single Hole Plastic Micro Cord Locks – Clamp and Toggle Stop Slider for Small Cords – for Thin Paracord, String, Yarn, and Twine –
Micro string tension lock - Adventurexpert
Vector Cord Lock • A+ Products Inc
cord lock 3D Models to Print - yeggi
Double XL cordlock - Adventurexpert