Pornhub have designed a nice sporty little bracelet called the WANKBAND, for men to wear while they view their video content.
The bracelet is helping to save the world by using wanking as a source of power.
Inside the Wankband is a small weight that generates and stores energy when moved in an up and down motion...
After wearing the Wankband whilst making sweet love to your hand and storing up some power, you can plug in any device, such as your phone or tablet, in to the USB port on the band and CHARGE IT UP.
This is kind of amazing.