I’ve been noticing these Genno hammers more and more often, and having only 15 or 16 striking tools, I thought they deserved my consideration. Especially since I have some that go unused. The design is elegant in its simplicity and the two faced aspect promises utility. As I recall, Derek may have a couple for use with his Japanese chisels. Anyone else? Worth thinning my current herd in favor of a couple Genno?