Flag protocol: the art of waving your arms around like a madman, but with a purpose! Flag-Waving Tips and Flag-Waving Techniques
For emergency situations, when you need to signal your distress, like when your aunt comes for dinner unannounced.
For caution, like when you're walking through a construction zone, but you're not really sure what you're doing.
Don't wave during the national anthem, unless you're a true patriot, in which case, wave away!
And so, dear flag-wavers, may your flags always wave with purpose! Flag-Protocol FAQ