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  • Automatically Retracting Pen

    Automatically Retracting Pen

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    by

    John Grout
    in

    This pen prevents ruining shirts by retracting the tip automatically when the pen is clipped into your shirt pocket. The catch that keeps the tip out is actually in the pocket clip. When you pullout on the clip to put it on your shirt, the pin that engages the catch is released causing the tip…