Comment by shawn_w

Houge's the brand. RSK-Mk1 is the model (Ritter Survival Knife). Sold exclusively at https://knifeworks.com/dr/

Benchmade used to make a variant of their Griptilian that he designed (the "Ritter Grip", and when they discontinued it, Hogue stepped up (proceeds go to support Ritter's https://kniferights.org/ organization)