When coupled to the frame, the clamp and axle assembly is freely rotatable, and this free rotation automatically aligns {HEAD ~ the length} of {TAIL ~ the edge} of the blade with the surface of a whetstone 
of
When coupled to the frame , the clamp and axle assembly is freely rotatable , and this free rotation automatically aligns { HEAD ~ the length } of { TAIL ~ the edge } of the blade with the surface of a whetstone
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH