This design is based on a lithograph Bruce Nauman made in the 1970’s; PAY ATTENTION MOTHERFUCKERS! was - typical for lithography - printed mirrored on the paper.

Bruce Nauman (born December 6, 1941) is a contemporary American artist. His practice spans a broad range of media including sculpture, photography, neon, video, drawing, printmaking, and performance. Nauman lives near Galisteo, New Mexico.