An extra club in the golf bag. Whoops. The names and occurrences live in golf infamy. Ian Woosnam at the 2001 Open Championship. Jim Furyk at the 2009 Barclays. Woody Austin at the 2013 PGA ...

Actually, no. Rule 4.3 allows you to carry things such as an extra driver head or shaft in your bag. Grips are OK, too. What you can't do is use any of that stuff during the round. The same holds ...