This is called a mortar board, and it comes with this tassel which many graduates say is a momento of their special day. Perhaps some of your older brothers and sisters still have theirs.
Congratulations, Butt-head. You have many...uh, qualities. (quietly and with a hint of embarrassment) Here's your diploma, Beavis. (While the other students return to their seats, Beavis & Butt-head walk out thinking it was an actual graduation)
Here you go, Butt-head. You have many… qualities. [quietly and with a hint of embarrassment] Here's your diploma, Beavis. [while the other students return to their seats, Beavis and Butt-head walk out thinking it was an actual graduation]