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