In the past few years, we have covered plenty of neat POV iPhone rigs for hands-free video. The uCast is also worth a look. It is a wearable magnetic mount for your iPhone or action cam. It has a silicone shell and strong magnets that let you attach your camera to anything. You can use this to put your iPhone on your chest to capture all your adventures hands free.
uCast also comes with reusable circle plates that stick to objects that aren’t metal and an adjustable, detachable lanyard. Costs under $30 at this time.[where to get it]