Yichengjin via Amazon offers the Soufull Professional Sashimi Sushi Knife for $25.80. Coupon code "WWCSDD40" cuts that price to $15.48. Plus, Prime members bag free shipping. That's $10 off and the lowest price we could find. It features a wooden handle and comes in a gift box. Deal ends December 31.

Update: The price has dropped to $19.99 before coupon, $11.99 after.