This simple egg-shaped holder includes a durable hook that latches on on the tackle of any leash. Twist off The underside so as to add a normal roll of poop bags. There are pins on the top and base to maintain the bags twirling plus the roll from slipping out. https://petpoopbagsearthrated84061.tblogz.com/5-simple-techniques-for-are-poop-bags-compostable-48293675