A fan in the audience graciously lent him some foam claws.
Hugh Jackman isn't borrowing much from his X-Men days for his performance in the Meredith Willson classic. Nonetheless, some fans are hell-bent on seeing him break out the claws before the curtain comes down. One lucky patron brought foam claws with him, and after spotting them in the crowd, Jackman knew exactly what to do. See for yourselves in the video below, proving once again that Hugh Jackman is both a superhero and the biggest mensch in the business.