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Sticky note gun mechanism - Combo air and mechanical assist (Top left) - This concept would contain an air reservoir and a mechanical arm to push the post-it from the magazine. I imagine it working in this sequence: Pull back arm (simultaneously the air reservoir is filled and a single note it grabbed), lock is engaged when arm is fully extended (a spring adds tension), pull trigger to disengage lock , air is released as the arm forces the note forward, air propels it off of the arm and out of the gun... repeat.
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