The Halti Collar Link is ideal for first time users of a halti or can be used full time for the more excitable boisterous dog. Some dogs are able to slip out of the headcollar, this collar link prevents this and adds additional security when walking your dog. The Halti Collar Link attaches to the headcollar by looping around the link ring underneath the jaw, making the collar and head collar linked. If your dog tries to scratch off their headcollar or pull loose, the lead will still be attached to your dog"s collar, providing additional security. Combining a normal collar, head collar and Halti collar link is the safest way to take your dog for a walk without the worry of them slipping out of their headcollar.Size: 2 (for Basenji, Beagle, Border Collie, Buhund, Cockers, Rough Collie, Saluki, Samoyed, Staffie and Std Poodle.Approx Length: 20cmApprox Length: 20cm