Squids Ergodyne 3109f(x) Dbl-locking Single Carabiner Tool Lanyard with Swivel- 25lbs, Orange and Gray, Standard in the Safety Accessories department at Lowes.com
Rope Leash with Locking Carabiner – Tuff Mutt Pets
Amazon.com : PANDENGZHE Locking Carabiner Clips 2.5" with Swivel Clasp for Securing Pets, Dog Leash Harness, Camping, Hiking, Backpack, Outdoors, Gym (2 Pack) : Sports & Outdoors
Multifunctional D-type Buckle Auto Locking Carabiner With Swivel Rotating Ring For Outdoor Climbing Keychain Pet Leash Hook LQ65 - Walmart.com
Harbor Hound Co. - AUTO-LOCKING CARABINER ADD-ON
Locking Carabiner Swivel Snap for dog leash - 4 sizes - Bold Lead Designs