Me: Why are you putting rocks on the slide?
Lex: It's for special effects.
Me: Special effects for what?
Lex: You'll see. I need you to take a slo-mo video of me. Start when I say and don't stop until I say.
Me: That's actually pretty awesome.
Lex: I know, right? Can I see my video?
P.S. Watch with the sound turned on. It's better that way.