Both portions of the sleeve lying between these sections have pluralities of folds following one another around the sleeve periphery, with {HEAD ~ each fold} forming {TAIL ~ a spring} 
forming
Both portions of the sleeve lying between these sections have pluralities of folds following one another around the sleeve periphery , with { HEAD ~ each fold } forming { TAIL ~ a spring }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL