NEX Calf Roping Sled by Heel-O-MaticNEX Calf Roping Sled Made to pull behind 4 wheeler, or any ATV Longer tongue ensures plenty of room to throw a correct practice loop Unique design allows for NEX calf roping dummy to come off in case of an emergency. Adjustable height allows for practice for larger breakaway calves, as well as smaller tie down calves. Best For: Calf Ropers, Breakaway Ropers Key Feature: State of the art mobile calf roping sled Can be used with either NEX calf roping