No one in Tucson needs henna lessons except maybe [ltd. ed. joke -- redacted]. You learn it intuitively as you cross the threshold from 1-10 into CDO. Mrs. Bull bought a sarong from one of the six headshops on 4th Ave once and didn't realize until we got home and unwrapped it that it was emblazoned with subliminal slogans like "Practice yoga, eat healthy, Al Perry Rules, do drugs at Club Congress, eat Maya Quetzal, Antigone books, saguaro, mandala #1"