1 Samuel 13:20
But all the Israelites went down to the Philistines, to sharpen every man his share, and his coulter, and his axe, and his mattock.
1 Samuel 13:21
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.
And [on] all hills that shall be digged with the mattock, there shall not come thither the fear of briers and thorns: but it shall be for the sending forth of oxen, and for the treading of lesser cattle.