Posture pals are a great device made from resistance tubing. They can help correct your shoulders and upper back posture therefore reducing pain and strengthening posture muscles so that your pain stays away.
Wearing the posture pal for 10 mins at a time is ideal. They also come with some example exercises of how to use the device for additional exercises to strengthen your shoulder and upper back area in order to maintain correct posture. They can be used while you are working on your laptop or desktop in order to reduce fatigue in your neck and upper back muscles.