The Ergodex DX1 is a very unique input device.  It is basically a square, upon which you can place keys, where ever you want.  Then you use the bundled software to assign the commands to the keys you’ve placed.  If WASD is getting you down, head to PimpRig and read all about it.
“”To place a key, first you peel off the protective cover off of the adhesive, then press it down firmly on the DX1 pad. To remove the key, simply twist it off. The instructions say not to pry, but I tried it anyway. I pried as hard as I dared, and the damn thing wouldn’t budge. Gave it a twist, and off it came.””

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