Published on Mac and Cheese balls to their menu, renamed as Mac and Squeeze Balls This April, Byron, the maverick burger restaurant, is on a mission to raise awareness of the warning signs of Testicular cancer, teaching people how to check themselves at home. Byron has announced a month-long partnership with leading charity Testicular Cancer UK, and created an easy 4-step guide to rally the masses into checking for any sinister lumps and bumps, illustrated by artist Josh McKenna. The bold designs use Byron’s Mac and Cheese balls to showcase the simple steps available to perform a testicular self-examination at home.