Looking to liven up another boring work day at the cubicle farm while also managing to frustrate unsuspecting coworkers? If so, this visual how-to guide for simulating a frozen computer screen should go a long way towards accomplishing that goal.

Should any of your coworkers have a history of violence towards inanimate objects–for instance, punching the photocopier when it jams–proceed with caution, this prank could lead to physical outbursts and/or damaged electronics.

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Courtesy of EQA Furniture