Thunder Leash, LargeThe simpler no pull solution for your dog. No need for a separate harness: thunderleash functions as a standard leash, and when you need it as a harness too! Very easy to put on: unlike standard harnesses, thunderleash is quick and easy to put on. Easiest no pull solution: thunderleashs gentle pressure stops unwanted pulling with most dogs nearly instantly. Great training tool: when puppies are learning proper leash behavior around new dogs and new