{TAIL ~ The coupling} comprises a housing having {HEAD ~ a first end}, a second end and a body 
{ TAIL ~ The coupling } comprises a housing having { HEAD ~ a first end } , a second end and a body
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH