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