Don't blow all your money on expensive bar clamps. Use a homemade tool made from scraps to glue on edge band and other long, thin pieces of wood.+ Keep watching after the initial video for additional tips. An excellent resource.
Nailing drawer boxes together used to frustrate me as I tried to steady the wobbly parts while keeping them aligned and trying to drive a nail. This clamping jig adds stability to this ungainly process.