Super slow chest workouts can help you gain additional mass. Make sure you have a spotter that will help you maintain good form.
1.) Bench press (Barbell)
Sets: 2
Reps: 4-6
2.) Incline bench press (Dumbbell)
Sets: 2
Reps: 4-6
3.) Decline Bench Preass (Barbell)
Sets: 2
Reps: 4-6