The vibration dampener 10 shown in FIG 1 attaches to {HEAD ~ the end} of {TAIL ~ a rotatable drive shaft} 
of
The vibration dampener 10 shown in FIG 1 attaches to { HEAD ~ the end } of { TAIL ~ a rotatable drive shaft }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL