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