. . .what not to bring.
Do bring tickets, photo ID, a very small bag, a raincoat, umbrella, sensible shoes and lots and lots of cash. Cameras are permissible on practice days (today and tomorrow).
Don't bring a mobile phone, a camera on match days (Friday, Saturday and Sunday), or a bag larger than 8x8in. Alcohol is banned, as are ladders, picnic boxes, briefcases, portable TVs, pushchairs, bicycles, lawn chairs and pagers.
Only official Ryder Cup radio headsets are allowed, which can be bought on site for 10.