(Sarah of the Clue Crew watches a wire walker practice at Circus Center in San Francisco, CA.)  Moving the parasol in the air helps the wire walker keep the point known by this three-word term directly over the wire
Here was a 
site, I realized, where I could walk from the known to the unknown,... [DOC] [TLE] Philippe Petit - Artist - Biography.com [PAR] Aug 7, 2015 ... Called the "artistic crime of the century," Petit's daring feat became the focus of a 
media sensation.