1. Notebook
    A great way to keep track of your progress. Progression is key.
  2. Water bottle
    Don't want to get dehydrated!
  3. Protein shake
    Especially if you've not eaten before a workout you'll want to get some protein into you shortly after. Whey protein is a cheap convenient way of doing so.
  4. Ear phones
    Because sometimes you just need Meatloaf to get through a hard set.
  5. Empty coffee cup
    Because you've obviously had a pre-workout caffeine hit