Yahoo Music is giving away an ESP guitar signed by the members of Trivium and DevilDriver, and you can enter to win on Twitter!

It's this easy:

Step 1. Follow @YahooMusic on Twitter

Step 2. Tweet this message: Hey @YahooMusic, I want to win an ESP guitar signed by @TriviumOfficial and #DevilDriver!

Trivium and DevilDriver are on tour together until December 14—find a show near you!

Get Trivium's latest single, "Strife," on iTunes now!