The second wedge member is longitudinally displaceable relative to the first wedge member and together extends through {TAIL ~ the work piece} to engage {HEAD ~ a second rotatable portion} of the machine 
The second wedge member is longitudinally displaceable relative to the first wedge member and together extends through { TAIL ~ the work piece } to engage { HEAD ~ a second rotatable portion } of the machine
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH