Brass Knuckle GoPro Handle

Brass Knuckle GoPro Handle:
http://www.ebay.com/itm/Knuckle-Hand-Finger-Grip-Holder-Mount-Holder-Selfie-for-GoPro-4-3-3-2-Hero-/222581538025?hash=item33d2e4bce9:g:wpsAAOSwcx5ZaJwD
+