The pen that comes with your drawing tablet. It gets lost easily because they have a special magnetic force that connects them to satan and you have a mental breakdown every time you lose it. What do you do when it's gone? Make a sacrifice; kill the canaenae in your basement and ring up satan. Ask him for a new tablet pen. Job done.
"I lost my tablet pen."
"Right then. Honey, grab the candles, I'll take care of the canaenae."