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