Amazon offers Prime members the Kershaw Cryo Speed Safe Folding Knife, model no. 1555TI, for $21.13 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.57.) That's the lowest total price we could find by $8, although it was $2 less on Black Friday. It features a 2.75" blade and pocket clip.