Depends on the weather. Raincoat? Sunglasses?
Also, you might want to bring something to eat, and if you’re playing a longish game you might want to bring some food.
If you’re mad keen on note-taking, you’ll need paper and pen, or pencil – but that’s not strictly necessary, and might feel a bit of a drag. We think you’ll remember everything that matters anyway.
If you have any special requirements – for instance, if you use a wheelchair – just let us know and we’ll plan the journey around that.