article_snippet.sent: Scroll down for video .
article_snippet.sent: so I look very confused.
article_snippet.sent: I had to hold this tension for 30 seconds while staring at the ceiling.
article_snippet.sent: This is an exercise which requires a Joker smile that moves up and down an inch using visualisation. '
article_snippet.sent: Now move your mouth to express that - ew - and hold your mouth.'
article_snippet.sent: This isn't pretty either.
article_snippet.sent: so I can see that I resemble a tired-looking Miss Piggy with a hangover.