Prism-gram

The prisogram is a prism-like diamondlike that may how they send mail in the land of Ooo. Once someone has written a letter they swipe the prisogram on the paper and it absorbs the writing. It then converts the letter into brain wavesand shoots them onto your forehead like a lazer. It has so far only appeared in the episode her parents where Jake uses it to send a massage to lady rainicorns parents.