It works on my machine Funny Programmer T-Shirt White Text-RT

Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 65% Cotton, 35% Polyester; Imported; Machine wash cold with like colors, dry low heat; For a computer programmer/software developer bugs are a fact of life and so are excuses such as this popular one. Often code works on one machine, but not in production. Dont shrug it off except on your tee.; A funny shirt design for coders with a sense of humor to wear in the office, at tech conferences or other geek events. It attracts attention through the witty unicode emoticon for shrugging, a meme among computer users, in a bold font on the chest area.; Lightweight, Classic fit, Double-needle sleeve and bottom hem