We've all been in this situation: You're having a pool party, but after a few hours the guests have overstayed their welcome and you'd like them to leave, but you're too drunk to articulate it. With an above-ground pool you can just pull the cork and let the pool slowly drain, which sends a clear message. But those of us who've ponied up for the in-ground pool are S.O.L., right?
Wrong! All you need to do is have one of these babies installed: