I'm sure they will be able to. The Mistresses may ask them for a show of obedience. Right now, Brandon is bound and gagged, so it may be difficult for him to do this, but we could all throw a little torment towards him for a little reaction. One of them could fetch drinks or appetizers as well. Once the audition begins, Madison could be asked to demonstrate on several of them, so they see how she works with different subs.