{TAIL ~ The holder} has {HEAD ~ a second engagement part} for engagement of the first engagement part and the first mating part 
{ TAIL ~ The holder } has { HEAD ~ a second engagement part } for engagement of the first engagement part and the first mating part
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH