What does the ClicLock buckle do?

The ClicLock converts your Herm Sprenger prong collar into a convenient quick-release version, eliminating the need to open and close links each time. It installs easily with no tools, maintains the collar’s full functionality and authentic look, and is available in sizes designed to fit 2.25 mm, 3.0/3.2 mm, and 4.0 mm Herm Sprenger collars.