An engaging hole {TAIL ~ 15 c} is formed on {HEAD ~ the harness holding protrusion} 15 b 
An engaging hole { TAIL ~ 15 c } is formed on { HEAD ~ the harness holding protrusion } 15 b
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH