3 supersets
superset 1 - Hammer curls (8 reps) superset with rope pushdowns (15 reps) - 4 rounds
superset 2 - barbell curls (8 reps, 3 second decent) with machine dips (15 reps) - 4 rounds
superset 3 - ez bar preacher curls superset (6 reps, 2 second holds) with dumbell lying extensions (10 reps) - 4 rounds