[Nemy]

Originally Posted by Alex

I found these diagrams on the AMA site.

All of 'em make sense to me, except the one that they say is for telling someone their high beams are on (patting the helmet) is commonly used, at least here in California, to alert oncoming riders that a police officer is nearby.

I'm with you on that one. Not sure which state it's used to indicate highbeams...