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. The verses have lately been rendered: "But all the Israelites went down to the Philistines to sharpen every man his plowshare, and his ax, and his adze, and his hoe, and the price was a pim for the plowshares, and for the axes, and for the three-tined forks, and for the adzes, and for the setting of the goads. " Whenever the implements became dull and needed sharpening, and whenever the ox-goads needed new setting, it was necessary to make the trip to the lowlands occupied by the Philistines, who permitted the Hebrews to carry on the tillage only of the highlands and of the valley of the Jordan, and incidentally charged the Israelites a high price for all the work done by them. 3)