A key holder comprising a plate provided with an elastic ring and {HEAD ~ a detent pawl} is insertable into {TAIL ~ a flat sleeve} 
A key holder comprising a plate provided with an elastic ring and { HEAD ~ a detent pawl } is insertable into { TAIL ~ a flat sleeve }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL