A smiling older man looks at the camera. He is wearing a t-shirt with the word KERN on it. The space between the R and the N is deliberately too wide, mocking the standard practice of kerning, that is, making the spaces between letters legible and consistent.
https://mastodon.sdf.org/system/media_attachments/files/113/199/182/868/533/955/original/86550cbc0e049c08.jpeg