So you want to capture videos with your GoPro with your hands free? There are plenty of chest and shoulder mounts available for GoPro cameras. These 3 GoPro HERO hats can also help:
Smatree SmaHat H2 Baseball Hat: this hat is compatible with GoPro HERO5/4/3+ and older models. Suitable for fishing, hiking, and other activities.
FreeCapture GoPro Head Mount: lets you capture point of view shots with your hands free. The mount is strong enough to keep your camera from dropping.
Streamaroo Ballcap for GoPro: has a GoPro mount attached to the brim of the cap. It is compatible with HERO 3+ and older models.
Have you found better GoPro hats? Please share them here.