So you are looking for a versatile smartphone or GoPro mount to capture video with your phone from challenging angles? The GekkoGum could be what you need. It is a malleable adhesive ball that can be attached to almost any surface. You will be able to adjust your camera without a risk of it dropping.
GekkoGum doesn’t make your fingers sticky. It fits in your pocket when you are done. Like what you see? More info is available on Kickstarter.