also, if she has a train and you might be called in to help bustle it, it would be very helpful for you to go to one of her fittings and have the seamstress show you exactly how to do it...practice it a couple of times. Those things can be so tricky! I'll never forget one wedding I was in...the MoH and her mom were supposed to do it but they couldn't figure it out...took forever.
Ok... hehe, here's the quick funny story: It was a summer wedding, and we were out by the lake taking any pictures that could be taken before the ceremony (i.e. without the bride etc). It was really hot and sunny so whenever anyone wasn't in the pictures they were standing under the nice shady trees. Only... *plop* oops... a bird got my Dad right down the front of his tux!!!
Oh my!!!
The photographer's assistant pulled out a Shout Wipe and it was good to go.
(So for that, or any other stain emergency, you might want to have a couple of them on hand
)