Fing-longer

The Fing-Longer is a glove which has an extended index finger. Professor Farnsworth had always dreamed of inventing the Fing-Longer, and used the What-If Machine to ponder what might have happened had he, in fact, invented it. It was last scene in Bender's Big Score, when the Professor and the Harlem Globe Trotters were calculating the equation of time

Later, he actually invented it in reality.

Trivia

 * It was later discovered by the Simpsons in a crossover.