We probably shouldn’t be telling you this, but you seem trustworthy enough that you won’t go blabbing it all over town: we know a way you can get up to $525 in free gift certificates for some super awesome t-shirts from Threadless. That’s right we said free! During the month of April the kind yet covert folks at TCritic are giving away twenty one $25 gift certificates to one of our favorite shirt sources. So how do you get your hands on one? That’s easy. All you have to do is look for the secret word contained in one of TCritic’s blog posts each day and be the first to comment using said secret word. If it were any easier, they’d just give you the money…but contests are much more fun.