AT-AT Evolution
Posted on September 22nd, 2008 by QT-3.14159
It would seem that there are things I never knew about the AT-AT. Either that, or far more likely, James Lillis is taking some artistic license with this t-shirt design. The shirt is available in a great many styles and colors from RedBubble.
I truly hope it is the latter. I cannot see the design reason for this feature, and that disturbs me greatly.
Star Wars: Evolution of the AT-AT t-shirt (Boing Boing)

[...] is apparently a great deal I do not know about the AT-AT, as we have seen before. RedBubble once again fills in the gaps in my programming with this [...]