The Ultimate in versatility - For whatever application you need a dog leash for, the Vario 4 Multi Function Leash has it covered. Perfect for hiking, days out or just your everyday walk. Why buy multiple leashes when you can have one leash that does it all? While walking you can go from a 185cm leash to a 100cm leash by pulling the leash through the D-ring at the collar end of the leash. Bring the handle back one more time and you now have a 72cm leash. You can then go back to a 185mm leash by just pulling on the D-ring. It's that easy! It also functions as a temporary check collar and can be used as a tether if you want to tie up your dog for a couple of minutes.