The natural design of the human hand is to have all the bones fan outward from the wrist. If you supinate your hand fully and flex the little finger, it wants to point to the center of the wrist bone cluster
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I've never seen a keyboard, ergonomic or otherwise, handle this angle.
So all contact with the pinky on the shift key (and A) is at an angle, and worse, the key throws straight downward in parallel to the other keys to its right.
Are there any keyboards where the key travel throws inward?