Fixed prefered but folding would be cool. Just use the Crossbill blade and add a diffrent handle to the folder. The fixed blade could use a more curved blade like the harpy. I really want a good kerambit but the Warren Thomas is alittle out of my price range. If you could pull it off in the 50 dollar range it would be great as most kerambits are either 5 dollar cheap junk or 100+ dollar plus and out of reach for some of us. Just a thought.................