Joel McHale and Ken Jeong have declared Thumb Wars on texting while driving.

The Community stars filmed a new PSA for DoSomething.org that asks teens to put their phones down while on the road as texting-and-driving makes it four times more likely to cause a car crash.

Check out photos from Community

An even bigger incentive to not text behind the wheel? Thumb socks — the hot new fashion trend designed to prevent texting while driving.

Watch the PSA below: