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