The fibers are at least partially coated with a powder which exhibits {HEAD ~ dilatant properties} when hit by {TAIL ~ a moving article} 
The fibers are at least partially coated with a powder which exhibits { HEAD ~ dilatant properties } when hit by { TAIL ~ a moving article }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL