sharpen <1SA13 -20> But all the Israelites went down to the

Philistines, to {sharpen} every man his share, and his coulter, 
and

his ax, and his mattock.



sharpen <1SA13 -21> Yet they had a file for the mattocks, and for

the coulters, and for the forks, and for the axes, and to 
{sharpen}

the goads.