The cutting member may include {HEAD ~ a plurality} of {TAIL ~ discs} that are rotatable relative to the housing 
The cutting member may include { HEAD ~ a plurality } of { TAIL ~ discs } that are rotatable relative to the housing
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH