{HEAD ~ The clasp} comprises {TAIL ~ two metallic parts} of substantially the same shape adapted to be coupled together by the combined action of magnetic attraction and mechanical engagement, enabling the person to put on and off the ornament or furnishing with great ease 
comprises
{ HEAD ~ The clasp } comprises { TAIL ~ two metallic parts } of substantially the same shape adapted to be coupled together by the combined action of magnetic attraction and mechanical engagement , enabling the person to put on and off the ornament or furnishing with great ease
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH