Check out this cool third person view motorcycle video with the the Sail Video System, a hands-free third person view mounting system for cameras that works...
Tag - mount
I got an inexpensive third person view mount / harness from eBay for GoPro, action cameras, and 360 cameras.  Here’s a sample 360 video from this mount...
Check out this stabilized 360 video using a third person view mount that is hands-free and makes the camera invisible!