I bought the linear variant and returned it, those kind of switches just werent for me. A great addition to my beautiful home. If you buy m40xs, you are doing yourself a disservice if you do not buy these pads along with it. I bought a XXL. It holds the bike without issues. My current flip flops with canvas straps started smelling bad from the pool water being absorbed. My shoes fit perfectly. Cried a little when I put them on! While other models can be dual purpose these are strictly for content creation and analysis. SETUP & SONY APP: Fine -- but nothing to write home about.