>>1028484Not that anon, but do bouncing splitting mauls count? I've had that happen a few times while splitting log rounds. It seems it has to do with moisture content, knot location, and wood hardness (oak/maple). However, an axe, into the same log round where a splitting maul bounced, will get stuck so hard it will make you rethink life.
Thus, I think the "narrow, almost chisel-like with very flat cheeks" sounds a lot like the grind used on a splitting maul to me. And, probably striking the grain perpendicular on the limb (big no-no).