The Premier Gentle Lead Headcollar is available on SitStay.com in 11 colors, 5 sizes and 2 styles (metal buckle and plastic clip). Reduce or eliminate pulling and enjoy stress-free walks. The Gentle Leader removes your dog's natural tendencies to pull by putting a light pressure on calming points and eliminating pressure on your dog's throat. It is also effective in reducing jumping, lunging and can help to calm an anxious and/or aggressive dog.