Overall , these norms allow locals to set the tone ( or , as surfers say , the ' vibe ' ) of the surf session .
The next three norms serve the dual purpose of minimising the impact of crowding and conferring higher status on locals .
These norms allow locals to set the tone ( or , as surfers say , the ' vibe ' ) of the surf session .
The next three norms serve the dual purpose of minimising the impact of crowding and conferring higher status on locals .