Here is another handy tool that lets you capture fast moving action with your smartphone or action camera in a steady fashion. The Steadywheel is lightweight, compact but tough. It comes with 1/4″-20 camera mount made of stainless steel. You can use it with your compact camera to capture surfing, skateboarding, and other similar activities.
The Steadywheel is waterproof and impact resistant, so you can go diving with it.[where to get it]