Many of us neglect our tools a little as we are always in such a rush to get down to the "fun" stuff.
Sap accumulates on tools and forms aresidue, which interferes with smooth cutting action.
Rustlooks bad, feels rough when held and if very severe will damage and weaken the material.
Tools transported in a tool box may getdamagedas they bump into other tools as a result of the moment; leading to blunted edges or worse yet, bent tips.