I thought the BF 17 was a great example, sheepsfoot, nail nick and micarta handle. It was meant to be a working knife that got filed down over years and years to a thin strip of a blade. I didn’t care for them initially but I’ve grown to appreciate them.It's a working man's knife, made stronger by the long bolster. Most of the attraction is the nostalgia of an old, storied pattern.
Long lived porch members..
I think they became fashionable because they're of particular interest to a couple of upstanding porch members.