Meet the Set Starter Interval Timer: a nifty timer you wear on your thumb to keep up with internal training. The device is designed to help you stay focused on your training. You can program the device in seconds. and push the start button using your index finger. The timer provides you with vibration alerts. The REPEAT feature allows for up to 100 consecutive alerts. It offers 10 preset intervals.
This compact device supports various popular intervals and lets you program in 1 or 2 timing intervals. It can be used to time weight lifting, Tabata, CrossFit, and more. Like what you see? You can get this for as low as $25 on Kickstarter.