The receptacle installs flush to {HEAD ~ the surface} of the surfboard without {TAIL ~ the need} for angle adjustments like most systems 
without
The receptacle installs flush to { HEAD ~ the surface } of the surfboard without { TAIL ~ the need } for angle adjustments like most systems
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH