The couplings 32 and cooperating ends 34 may be internally threaded {HEAD ~ fittings} with the ends 34 having cooperating external threads, quick release, “bayonet” type fittings, a simple plug and socket configuration with {TAIL ~ a diametric pin therethrough}, or other connecting means as desired 
The couplings 32 and cooperating ends 34 may be internally threaded { HEAD ~ fittings } with the ends 34 having cooperating external threads , quick release , “ bayonet ” type fittings , a simple plug and socket configuration with { TAIL ~ a diametric pin therethrough } , or other connecting means as desired
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD 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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH