That Daily Deal offers the Smith & Wesson Special Tactical Framelock Knife, model no. 3700S, for $14.99. Coupon code "SMITH40" drops it to $8.99. With free shipping, that's tied with our mention from a week ago, $21 off, and the lowest total price we could find. It features a 3.3" serrated blade.
Of note, you can buy two for $16.79 (about $8.40 each) via the same coupon.