One aspect of this invention relates to {HEAD ~ a selectorized dumbbell} which comprises a plurality of nested weights comprising a stack of nested left weight plates and {TAIL ~ a stack} of nested right weight plates separated by a gap 
One aspect of this invention relates to { HEAD ~ a selectorized dumbbell } which comprises a plurality of nested weights comprising a stack of nested left weight plates and { TAIL ~ a stack } of nested right weight plates separated by a gap
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH