Quaking aspen burl, was pretty punky on one side so I had to try all kinds of things to turn it without a lot of tearout. Used thin ca in some spots, shellac until I ran out (can was almost empty), then used the wood hardener. I saturated it with danish oil for the last cut, then wet sanded with danish oil. Probably will put another coat or two of danish oil on it. It was almost too far gone to turn.