The "6" Cordura" sheath from the company store does fit the SOD. It may need a "tweak" or two to be a perfect fit, but it does fit.
I'm about 80 miles away from my SOD and spare Cordura sheath right now, but here are some pix of the sheath with a Scrapyard Yard Hook (which is roughly the same size as the SOD.
[color:"red"]Hey man! There's a beverage involved here...