Amazon offers Prime members the Kershaw Cryo Speed Safe Folding Knife, model no. 1555TI, for $18.73 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.58.) That's tied with our expired mention from earlier today and the lowest total price we could find now by $8. It features a 2.75" blade and pocket clip.

Note that this item has an estimated shipping time of three to five weeks.