Yet a further objective of this invention is {HEAD ~ the provision} of a tremolo bar for a guitar, which provides {TAIL ~ more efficient rehearsal time} 
Yet a further objective of this invention is { HEAD ~ the provision } of a tremolo bar for a guitar , which provides { TAIL ~ more efficient rehearsal time }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL