Adjustable coupler or adjustable double leash clip for dogs 1/2 "x 16" to 36 " Used to be able to walk two dogs side by side with the same leash, but being able to adjust one side of the coupler to a different length from the other. Can also be used as an extension to a leash. Characteristics: - Independent adjustable clip - Length 16 "to 36" - 1/2 "wide - Resistant flat nylon - Locking snap hook - A central ring for fixing the leash