From Idiot Club:
BACK BY POPULAR DEMAND.... next year's renewal item will be an Idiot Club branded t-shirt.
If you have renewed your membership any time between 12/10/11 - 12/11/12, you should have received the IC Postcard Pack.
When you renew your membership any time between 12/12/12 - 12/11/13, you will receive the new IC branded t-shirt.
More info at Idiot Club: HERE