Naptha and mineral spirits removes cooking grease and it won't swell MDF. Wipe them several times with a new rag each time to be sure all the grease...
FWIW, you may want to consider Dynamic Saw in Buffalo, NY for your future sharpening needs. I'd be shocked if they could not sharpen that Forrest Hi...
The problem you describe, Dave, with WB crazing when applied over shellac, can often be avoided if you only use a single sprayed coat at no more than...