From pro athletes to weekend warriors, massage guns are gaining popularity for their ability to help muscles recover faster.

CNET found a somewhat secret prepaid plan from AT&T. It’s best for people who don’t need unlimited data. The plan is $25 a month, but you have to pay for a full year in advance. That’ll cost about $300, which is much less than a regular plan. You must select a multi-month plan to find this option because the default setting doesn’t show it.