For those that didn't see it, it has a rounded cutting edge and slightly curved/spooned. Imagine a beaver tail that is slightly cupped. They are great for chasing growth rings around a pin knot and they really show off when you have a concave spot on a stave where you are chasing a growth ring. Keep it razor sharp and it will follow that early growth like it's on rails! Will try to take pics and post them here.
I will also check the hobby store where I got mine, Max. Will let you know what I find.