Westronics via Amazon offers Prime members the Bench Dog Bench Cookie Work Grippers 4-Pack, model no. 10-035, for $6.95 with free shipping. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $5.43.) That's the lowest total price we could find by $5. These grippers allow you to rout, sand, cut, and carve without using clamps.

Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.