At the position, {TAIL ~ the bead} 62 is engaged with {HEAD ~ the notch} 33 
At the position , { TAIL ~ the bead } 62 is engaged with { HEAD ~ the notch } 33
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH