As a grandmother of 2yr old twin boys who can only be described as little racing rascals, this was purchased as a necessity. We were flying out and needed to know where they were at all times. The boys were very receptive to the harnesses. I didn't expect this. Once out and about they actually enjoyed them. One twin did go everywhere on a 30degree angle… The other just sat down when he'd had enough. I would highly recommend this product. It works. They had no problem with it and more to the point… Nobody had a problem with us restraining the the boys through malls, hotels, airports etc. Best purchase ever!!!!