I'm so glad I found them! Just Dance is my daily practice and it's so awesome that now I can dance without having to constantly hold the controller. Sometimes some movement is missing if the controller is in the wrong position or not tightened enough. Deducted a star for convenience. It is very scratchy and gets very sweaty under the strap. The solution for me was to wear a bracelet underneath. In general, I do not regret the purchase and I definitely recommend it!