There's plenty to love about Skyrim, but there's also plenty to make fun of. Just look at the "arrow in the knee" thing for proof. So pretending you're playing Skyrim when you're in a convenience store means putting baskets on people's heads, drinking "potions of haggling" and overhearing inane, nonsensical conversations.
Luckily, the storekeep is in on it too, or they might have got in more trouble for that pickpocketing stunt. Although getting hit in the face with a fistful of fireballs might count as trouble to some people. Check out the video and let us know your thoughts in the comments or on Twitter.