Dog Poop Bag Holder Small (under 30 lb dog) Blue Wag'n'Load works with ALL types of leashes or No leash at all. With Wag'n'Load you can use your own poop bags or a dog poop bags dispenser. Wag'n'Load provides an external pocket for an inverted bottle of hand sanitizer. Wag'n'Load comes in different sizes and different colors!