{TAIL ~ The apparatus} 13, wherein {HEAD ~ said aperture} is of a width to permit the head of said animal, but not the shoulder through 
{ TAIL ~ The apparatus } 13 , wherein { HEAD ~ said aperture } is of a width to permit the head of said animal , but not the shoulder through
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH