Famedio Heated Neck Stretcher

I was recently told by someone that there's way too much tension in my neck and I should get a neck traction device so I got this. The heat is really nice. As the instructions say it's uncomfortable in the beginning, but then it gets sort of relaxing. I feel like my neck might be getting better, although it might just be psychological. I never had any neck pain so I cannot weigh in on its effectiveness in that area. It stays plugged in so there's no need to worry about batteries.