Team Sonisphere often wear thrash t-shirts to the office, but not every workplace gets to see such garments in their resplendent glory. This is why we are firm supporters of the world's first "Wear Your Thrash T-Shirt To Work Day", which takes place this Friday June 6th.

As part of this there's also a Thrash-Back Competition where you can win guitars, t-shirts, festival tickets and the chance to meet Anthrax guitarist Scott Ian. How to get involved?

• WEAR A THRASH T-SHIRT ON JUNE 6th
• STRIKE A POSE TAKE A PICTURE
• TAG THAT SUCKER! #THRASHTSHIRTDAY

More info that says the same stuff fancier here.