Shamrockin'

Before y'all have your day off for Evacuation Day (*snort!*) stop by the Teen Room for a most excellent craft time. St. Patrick's-themed; no duct tape this time. Here's a clue:


What? I'm a nerd, okay? You want easy-to-understand clues that aren't from 80s science fiction? Please. By the way, if you do know this one, you are automatically inducted into the brotherhood of epically nifty people.
What I'm trying to say is: come make lucky shamrocks!