Slugging has its own set of etiquette that you wonĄŻt find written anywhere. Most of the rules are just basic courtesies, but others are truly unique to slugging. Just like other rules of etiquette, the slugging rules are only casually enforced. By that, I mean you will probably not get kicked out of a car for breaking one of the rules, but you will be frowned upon by others. Most likely, the worst thing that will happen is the driver will ask you not to do what you were doing. DonĄŻt get upset, because it was you who was breaking the rules!
http://www.slug-lines.com/Slugging/Etiquette.asp
