The Finglonger (aka Fing-longer) was an invention that made its major appearance in the Futurama espisode 'Anthology of Interest I' (2ACV16) where Professor Farnsworth wishes he had invented one and is later seen in use in 'Birdbot of Ice-Catraz' (3ACV05).
It is essentially a device to length one's finger thus given one a modicum of extra power and control.
A Mad Scientist
with finglongeres can also perform some maintance on the asylum that's rarely needed.