INSTRUCTIONS FOR FITTED SHEETS: 1) Know when to hold em. 2) Know when to fold em. 3) Know when to walk away. 4) Know when to run. Posted on January 9, 2016 by rushbomb INSTRUCTIONS FOR FITTED SHEETS: 1) Know when to hold em. 2) Know when to fold em. 3) Know when to walk away. 4) Know when to run.