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REDBOX INC via Amazon [amazon.com] has Yoyatoo Folding EDC Pocket Knife on sale for $9.99 – 50% off when you apply promo code E78T7HBV at checkout = $4.99. Shipping is free w/ Prime or on orders $35+.

Note: Amazon promo codes don’t always apply seamlessly. If you run into this issue, refresh the page, re-enter the code, or revisit the cart page.