A while back I showed a pair of double-edged knives ordered by a Marine for himself and his brother. Here they are:
At the same time he commissioned a primal utility knife for his father with a leather sheath, to be shipped at the same time with the one for his brother. For that one he wanted a leather sheath, something outside my skills. I had a local sheathmaker build that one.
Here's the pair before they headed out.
The warfighter knife is 5160 and paracord impregnated with Minwax Wood Hardener. The utility is 1084 with a hemp wrap over leather slabs and a cotton cord three-strand Turk's head knot, all sealed with shellac.