I use the belt as "Weglaufsperre" for my 20 months daughter, who like to run itself, but does not want to stay in the hand. With the "leash" I can be sure that it does not come at running away to the street. Rebuilding for attaching a leash behind was something pfriemelig but now sits tightly. It would be nice still a loop at the end, so that one can make the running belt around her wrist, why only four stars (I sat making a homegrown, now the product is great). But for the price the ideal solution for enterprising children z. B. to busy roads.