Bags never come in a roll and they are not suitable to be used with a regular leash attachment bag carrier Shade: Green How does one connect a dog poop bag dispenser to some leash? Holders generally have a carabiner, hook, or Velcro straps to connect to your leash. https://petpoopbagsearthrated11097.vidublog.com/26242315/the-basic-principles-of-pet-bed-brands