Looks like Slashback merch is up for sale so I can finally post this. I do not know why they decided to take out the type treatment that makes it an obvious homage, crop the image poorly, make it tiny, and slap it at the top of the back of the shirt with a bunch of graphic design is my passion ass text below it, but I'm extremely disappointed with how my art was used for the event merch. After Slashback is over, I'll make a slightly different version available on my own store as a print and a t-shirt.
