Just a thought on the shape looking backward. You could slightly modify the sheath to look like a normal shape and make up for the design difference with the inner shape of the welt. Might increase the overall size of the sheath, but we're not married to a single design method. Thinking "outside of the box" can lead you to a whole new world of ideas, plus your buddies will look at the sheath and be shocked when you pull the knife out. Then you get to tell them all about how you did that. food for thought.