During swaging, the twisted yarn in each reinforcement layer interlocks with the twisted yarn of the adjacent reinforcement layer preventing relative longitudinal motion therebetween and bunching of the reinforcement material which would create {HEAD ~ a weakness} in {TAIL ~ the hose structure} 
During swaging , the twisted yarn in each reinforcement layer interlocks with the twisted yarn of the adjacent reinforcement layer preventing relative longitudinal motion therebetween and bunching of the reinforcement material which would create { HEAD ~ a weakness } in { TAIL ~ the hose structure }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 TAIL