What is planchette?

a small board supported on casters, typically heart-shaped and fitted with a vertical pencil, used for automatic writing and in seances.

Girl: Can i borrow your Planchette? I need it for tonights seance.
Boy: No. I need it to write, ask Wndey.

planchette - meme gif

To buy everything in events and stores especially when on sale

I was at a shopping event and decided to planchette the whole event .