The cylindrical shaft of {HEAD ~ the lug} of {TAIL ~ the second mounting portion} has a predetermined diameter that is only correspondable with a slot in the second mount of the base 
of
The cylindrical shaft of { HEAD ~ the lug } of { TAIL ~ the second mounting portion } has a predetermined diameter that is only correspondable with a slot in the second mount of the base
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH