An interchangeable attachment for an article 1, wherein said {HEAD ~ article} is {TAIL ~ a belt} 
is
An interchangeable attachment for an article 1 , wherein said { HEAD ~ article } is { TAIL ~ a belt }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL