Extreme How-To Magazine has an ad stating that you can email or call for a free Tigerclaw T-Shirt or Hat.
Their Email is :
tigerclaw@deckfastener.com
Their Phone # is: 1-800-92-TIGER
In your email, make sure you include your name, address, and whether you would like a t-shirt or a hat. Not sure what size(s) t-shirt they have so put down your size and hope for the best.
*Make sure you tell them you saw their ad in Extreme How-To Magazine