The Rogz Control Lead is one of the most sophisticated leads on the market! It has lots of features to cover all aspects of the dog walk! Features shock-absorbing technology to take the strain from your joints and muscles if your dog pulls. It also features a 'Shocloc' which allows you to lock out the shock-absorbing feature for more responsive training and control. This lead has a close control handle which helps with heel training and to gain a shorter lead while in traffic or crowds.