A second object of the present invention is to provide a clasp designed to effect {TAIL ~ coupling} by the combined action of {HEAD ~ magnetic attraction} and mechanical engagement 
A second object of the present invention is to provide a clasp designed to effect { TAIL ~ coupling } by the combined action of { HEAD ~ magnetic attraction } and mechanical engagement
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH