Find Out How Bill Skarsgard Transformed Into Pennywise the Clown for 'It' (Exclusive)

In this look behind-the-scenes of 'It,' Skarsgard reveals all of the party tricks he uses to make sure he delivered a "weird, disturbing performance" as the iconic dancing clown. ('It' is available digitally on Dec. 19 and on Blu-ray and DVD on Jan. 9.)