My husband bought me a back massager for the chair I have at my computer desk.  It doesn't fit the chair properly and when I use the darn thing, it actually hurts my back.  I rarely use it.  He thought it would make me more comfortable. I wish I could get rid of it but I don't have the heart to throw it out.  It's slowly wearing away from just sitting on it, so some day, hopefully soon, it will just fall apart.