That's interesting, but riving them with a shingle axe looks faster to me. At least the guys I've seen do it. And there's no wasted material, or very little at

That's interesting, but riving them with a shingle axe looks faster to me. At least the guys I've seen do it. And there's no wasted material, or very little at least, compared to a saw kerf. (An example here, not using a shingle axe but a froe: https://www.youtube.com/watch?v=-FjpmFwVLtM https://www.youtube.com/watch?v=-FjpmFwVLtM )