1.) Most notably. That it should never be done with anyone under the age of 18.
2.) No clothes.
3.) You do not have your hands over your eyes, you have them over your genitalia.
4.) Have your partner get very close to your hands, you then say, "Peekaboo!", remove your hands and let one of the funnest nights of your life commence as your significant (or insignificant) other will be so incredibly turned on by this classy maneuver that they will do whatever you want them to. Putty in your hands. Or playdoh. Whichever.