{HEAD ~ a fastening cap} having {TAIL ~ a bore} formed therein, said bore having a portion defined by a tapered inner wall portion, said tapered inner wall being brought into abutment with said corned portion of said holder upon coupling of said fastening cap and said horn 
having
{ HEAD ~ a fastening cap } having { TAIL ~ a bore } formed therein , said bore having a portion defined by a tapered inner wall portion , said tapered inner wall being brought into abutment with said corned portion of said holder upon coupling of said fastening cap and said horn
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH