Category Archives: Guides

Blinker fluid is not real, it is the classic garage prank. Here is where the joke comes from and what actually makes a turn signal blink fast, slow or not at all.

Muffler bearings do not exist. Learn the origin of this classic garage prank, and what really causes a rattling exhaust: hangers, mounts and heat shields.

Sent to fetch a sky hook? It is a classic workshop prank, and also a surprisingly real idea in engineering. Here is the story, from the apprentice errand to skyhook suspension.

Blinker fluid, muffler bearings, left-handed screwdriver, sky hook and more. The most famous fake parts and prank errands for new apprentices, explained.

The classic apprentice prank, done kindly: pick a safe errand, keep it short, make sure the person is in on it by lunchtime, and never involve anything dangerous.