The cutting member has {HEAD ~ a friction element} positioned on {TAIL ~ an upper end} thereof across from the output port 
positioned on
The cutting member has { HEAD ~ a friction element } positioned on { TAIL ~ an upper end } thereof across from the output port
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH