{HEAD ~ A tape cassette} 1, wherein said weighting elements are made of {TAIL ~ a single metal material} 
{ HEAD ~ A tape cassette } 1 , wherein said weighting elements are made of { TAIL ~ a single metal material }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL