The Hands are usable by clicking the tab with a hand image, it is right to the Monitor. It will make the player in the game cover their eyes with their hands, warding off any unexpected characters.
It can ward off Ashley if her shadow appears on the 2nd floor, the player has to wait a few seconds before pulling them down.
The longer you use them, the longer you will be blind.
Has no effect on Wario when he is running up the stairs.