{HEAD ~ The pockets} are covered by {TAIL ~ a plurality} of individual covers, one for each pocket 
{ HEAD ~ The pockets } are covered by { TAIL ~ a plurality } of individual covers , one for each pocket
HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH