Each of {TAIL ~ the fingers} is provided with laterally facing and transversely facing cutting edges and has {HEAD ~ a curvilinear profile} terminating at a distal tip 
Each of { TAIL ~ the fingers } is provided with laterally facing and transversely facing cutting edges and has { HEAD ~ a curvilinear profile } terminating at a distal tip
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH