One of the best ways work the kinks out of aching muscles is with deep-tissue massage. But short of having a personal masseuse or a rub-down partner available, it’s often difficult to achieve the right amount of pressure in the exact trouble spot, especially on the back and neck. A small electric massager will be your best friend in times of need. They are affordable, durable, and best of all always willing to help. Here are three styles to consider.