3 way

Your delts tend to respond very good to tri-sets and since most never do tri-sets this is a good shock routine for your system. This routine takes you from heavy weight and low reps all the way to low weight and high reps. Here is the workout:

Seated dumbbell shoulder press 6 reps
SUPER SET WITH
Seated dumbbell lateral shoulder raises 12 reps
SUPER SET WITH
Shoulder press machine 20 rep

Rest 90 seconds and repeat 2 more times.