Shoulders made a big difference in your appearance regardless of your body type. Its gives you a more defined look for your overall appearance. This will cut your shoulder and deltoids up more to be more prominent. When it comes to using bands you should always go for maximum reps if you’re looking for those sharp shoulders. If it’s mass you’re looking for then heavier weight less reps, but you should eventually invest in a set of dumbbells if that is the case. Keep in mind there is many different levels of resistance bands you can purchase that are pretty strong.