Use Logic Baseball T-Shirts

Description: Sometimes, you just need people to use their heads. This grumpy walking brain is the perfect statement for science lovers, teachers, or anyone who values a little bit of common sense.

Description: This design is a digital illustration of the popular guy from the classic “use your head meme” in a semi-cartoony style

Description: Show Your Wit And Intelligence With This Funny Brain Humor Design. Perfect For Thinkers, Logic Enthusiasts, And Sarcasm Lovers. Features The Text Plz Use It.

Description: A hilarious and incredibly relatable design for anyone who regularly deals with illogical behavior! This statement captures the frustration of trying to reason with the unreasonable. Perfect for those who appreciate dry humor and sarcasm and who have given up on trying to teach certain people basic logic.

Description: Think - It's not illegal yet!