{TAIL ~ A receiving space} is formed among {HEAD ~ the two pairs} of the stabilizing wings and the holding portions 
{ TAIL ~ A receiving space } is formed among { HEAD ~ the two pairs } of the stabilizing wings and the holding portions
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