Amazon has the Smith & Wesson Extreme Ops Folding Karambit w/ 3" 7Cr Steel Blade (Camo design) on sale for $12 with free shipping on $35+ or with Prime. Also on sale:

• Smith & Wesson Extreme Ops CK10HBS 7.8in S.S. Folding Knife for $14
• Smith & Wesson Border Guard 10in High Carbon S.S. Folding Knife for $19