The apparatus 1, wherein said horizontal axial member is {TAIL ~ a horizontal shaft} held aloft by {HEAD ~ said frame means}, and wherein said coupling means comprises: 
The apparatus 1 , wherein said horizontal axial member is { TAIL ~ a horizontal shaft } held aloft by { HEAD ~ said frame means } , and wherein said coupling means comprises :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH