The gopro grab bag is bag of add on parts is for gopro quick release camera owners wanting more mounts if you want to expand your mounting options for you motorsports hero wide motorsports hero helmet hero wide surf hero or wide hero camera this bag will set you up it includes 1 flat surface base plate 1 curved base plate a thumb knob and stainless steel hardware 1 quick release buckle 1 pivot arm assembly 1 quick release vibration plug 1 leash tether and a vertical j mount for