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We all know the hassle of digging into a pocket to twiddle the controls on our MP3 players, but until smart clothing becomes mainstream we're stuck with it. Unless someone takes this magnetic control concept and manufactures it for real, that is. The Pocket Pal is simple: the control stays outside, but is magnetically fixed to the body, which sits inside your pants pocket. Twiddling the control is easy, and would let you adjust volume or skip songs. I'm not sure what'll happen if you lose the knob—would any magnet/iron object do?—but I like the lateral thinking here. [Inventables via Gizmowatch]