This three-move biceps workout from Jeff Cavaliere is an excellent finisher, or can be used as a standalone session on those days you simply want to fill out your tee sleeves a little more.
Jeff Cavaliere ... straight arm pushdowns, dumbbell pullovers, and bodyweight or banded pullups done as a burnout set. With the pullovers, Cavaliere prescribes it as a 1.5 rep dumbbell pullover ...