The pistol grip may house {HEAD ~ the camcorders supplemental controls} or battery pack within {TAIL ~ the housing} 
The pistol grip may house { HEAD ~ the camcorders supplemental controls } or battery pack within { TAIL ~ the housing }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL