In The Outsiders, why are Sodapop and Two-Bit thrown in jail after Darry had taught them acrobatics?

Darry taught Sodapop and Two-Bit and the rest of the boys acrobatics when he had taken a class at the Y one summer. He figured it would help them out in rumbles. Well, one day Soda and Two-Bit were flipping down sidewalks and walking on their hands. The basically got arrested for being a menace to society and a public nuisance.

"They were doing mid-air flips down a downtown sidewalk, walking on their hands and otherwise disturbing the public and the police. Leave it to those two to pull something like that."