mod*mom giveaway :: slingback diaper bag

mod*mom giveaway :: "ready to go" slingback diaper + laptop bag
to enter to win an oyikes slingback style diaper/laptop bag with accessories, tell me in the comments, what is your favorite "essential" included in the "ready-to-go" slingback diaper + laptop bag?
(include your email address or blog link, so i can contact you when you win)
before midnight 4th of july