The Rules of Golf allow you to remove loose impediments, like stones, from the bunker, but it turns out golf course superintendents have a strong preference for where you should put them.
In an article from 2005, Mickelson explains that most bunker technique is taught with fluffy sand as the standard, but when that’s applied to firm or wet conditions it doesn’t always work.
Eight-time Major champion Tom Watson and legendary wedge designer Roger Cleveland believe there is only one club you should use from bunkers. Watson also gives his best tips for escaping the sand.