Do you mean a pinky-hook at the butt-end of the handle? Or the part of the guard that's formed by the slab tang? Or something else?
For what it's worth, forming the gaurd from the tang can be a bad idea because such a guard is narrow and often sharp-edged, very uncomfortable. You can get around this by continuing the handle slabs onto the guard area, which the Busse partly does. I'd rather see them go all the way, but it's better than some.
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-Drew Gleason
Little Bear Knives