{TAIL ~ A ring} 30 is rotatably mounted to the cylindrical top 11 and has {HEAD ~ three notches} 32, 33, and 34 defined in an inner periphery thereof 
{ TAIL ~ A ring } 30 is rotatably mounted to the cylindrical top 11 and has { HEAD ~ three notches } 32 , 33 , and 34 defined in an inner periphery thereof
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH