Fing-longer

The fing-longer is a glove with an extended index finger. By the beginning of the 31st century, Professor Farnsworth had always dreamed of inventing this glove. In 3001, he used the What-If Machine to ponder what would happen if he, in fact, invented it. The Professor did not actually invent the fing-longer until the following year, when he used it as a pointer on a hologram. He reused it as a pointer in 3007, and to uncover the secret behind Leonardo da Vinci's ,  as well as to wake up Lrrr,  in 3010. He used it while telling the crew about the solar helium mine, in 3013.

Trivia

 * The name "fing-longer" refers to the fact that it is a "long finger".
 * The fing-longer was discovered by the in a crossover.
 * The Netflix subtitles may be correct in calling this device the "thing-longer", due to similarity of pronunciation