It's casual Friday, and you know what that means. That means we all get to wear jeans. Even Dave Mustaine. Fuck yeah.
You didn't get the memo? Well jeez I'm sorry. Dave got the memo.
Here he is on the Arsenio Hall show wearing jeans, because it's casual Friday. His sleeves are rolled up because Friday is still a work day and there's so many files to work doggone-it.