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PANZERWOLF said:
i just insert a thin roll of paper (no glue or tape, it expands inside the tube) to silence batteries, if this is a problem
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The way the Inova lights are designed, there is a spring loaded negative contact in the head, and no spring in the tail, which is opposite of most lights. Tapping the light on the bezel compresses that spring loaded contact plunger and makes a smacking sound. The tube is so tight I dont think the batteries could rattle against it anyway.