thefirearmblog,com has the heads-up on the MDDK Kick Down Torsion Reaction Recoil Reduction shoulder stock, seen here “adorning” the Franchi SPAS-12 scattergun. “The TRRR reduces recoil by ‘converting the linear in-line kick forces to dynamic torsion impulses within the stock. The torsion impulses rotate the gun download and away from the shooters’s shoulder and cheek and eliminates barrel rise. This action eliminates flinching and helps keep the target acquired making the shooting experience painless and more pleasurable.'” Provided casting your eyes upon the thing doesn’t turn you to stone. I know: it’s just a prototype, skunk worked by kickdown.us. But it is the fugliest thing I’ve ever seen on the [non-business] end of a shotgun, excluding certain customers at my local gun range.