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https://www.scribd.com/document/498922336/24104414-Cartoons-About-Dunking-A-Basketball-Training-That-ll-Brighten-Your-Day
Another program that some select is Vert Shock, created by Adam Folker (who played collegiately as UC-Irvine and expertly in the Czech Republic), and Justin Darlington, who is amongst the leading dunkers worldwide