Everbilt 5/16 in. x 3-1/4 in. Stainless Steel Spring Link 42954 - The Home Depot
SBDs (Pack of 10) 1/4” (6.35 mm) Diameter, 2.25” Length Marine Grade T316 Stainless Steel Carabiner – Clip Snap Hook -Spring Loaded Karabiner- NOT for Lifting USE. - Walmart.com
Carabiner-Heavy-Duty, 6 Pack 2.5\\u201d Small Carabiner-Clips with Strong Spring-Stainless Steel Snap Hooks for Climbing Hiking Gym Keych?in and Dog Leash and Harness - Walmart.com