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If you make purchases with a debit card, you punch in your 4-digit PIN code on a keypad.

That keypad — actually the heat your fingers leave behind on it — could reveal your code to a would-be card thief.

Fortunately, there is an easy way to prevent this.

Click on this link to watch the video:

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Note: I have no control over, nor do I necessarily endorse, the products in any ads that precede the attached video or appear on the surrounding web page.

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