Snap Hooks & Bolts at Ace Hardware
Hardware Essentials 1 and 2 in. Open Eye Swivel Spring Snap with Chain Snap in Zinc-Plated (10-Pack) 321464.0 - The Home Depot
Ring spring double side snap fastener, CCT 707 RING SPRING SNAP FASTENERS, OUTERWEAR
Hardware
Double Pattern Spring Snaps. Coburn
Klum House
Fashion Metal Snaps - KAMsnaps®
316 Stainless Steel Spring Gate Snaps by DuraBrite - Rigging & Marine
Everbilt 3-1/2 in. Nickel-Plated Double Bolt Snap 43174 - The Home Depot
Double Cap Spring Snaps
10Pcs Metal Stopper Buckles Pearl Double Hole Spring Snap Button Elastic Adjustment Cord Lock DIY Hat Cord End Decoration Buckle - AliExpress