a substantially straight body member having {HEAD ~ one end} to be coupled with {TAIL ~ the horn}; and 
to be coupled with
a substantially straight body member having { HEAD ~ one end } to be coupled with { TAIL ~ the horn } ; and
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH