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