Ford has figured out a way to make a unique lug nut that can only be removed with an owner-specific lug nut key—matched uniquely to their voice. The lug nut is 3D-printed out of stainless steel ...

Ford’s making the nuts in partnership with 3D-printing company EOS. Once the audio clip or pattern is chosen, the nut and key are designed and printed as a single piece using stainless steel ...