Common Fashion Week mistake: spending tons of time picking a pretty purse, and none filling it with the right stuff. It’s possible to skate by with an empty It-bag on your arm for the first day or two, but eventually those back-to-back shows, late night parties and early morning presentations start to take a toll. That’s when it’s really nice to have the nine things in the slideshow above. Based on our own unprepared misadventures, we’ve included everything that’s pulled us through beauty emergencies, wardrobe malfunctions, technology mishaps and extreme hangriness. Click through to stock up before the fashion madness begins!