Up early Sunday morning and found a newly placed 3/8" pig sticker mortise chisel on the Bay for a buy it now price with shipping for a total of $36. Made by Isaac Greaves and cast steel. I believe this has been discussed here before but thought I'd bring it up again. This tool has a 30 degree bevel and a slight secondary bevel at the tip, a bit rounded. I have to redo the bevel and am wondering the best way. Tools for Working Wood suggests a primary bevel of 20 degrees for clearance in the work and secondary of 35 degrees for strength. Your thoughts appreciated. Here are pix to prove it: