Have you tried putting it in an old pot and setting it on the edge of the forge? It should get hot and melt away. I admit I have not tried it for this, but I have melted pewter this way. Just be careful to watch for flame ups! Larry Phil Rosche wrote: > Hey, does anyone have a really good way to clean old, hardened grease out of the grease cups (the part with the female threads) on post vices? > > Thanks > > Phil Rosche