depends on what "handles" your talking about. like handles for just ball control or handles to break ankles. repetition is the key and there is time frame just keep working.
i know that but some players have just ball control and are not the type to break ankles and some have ball control that they use to shake their defender with.
Check out one of the top point guards from Northern California 5'7" Kiwi Gardner of the Oakland Soldiers showing out this summer at the Las Vegas Fab 48 and Nike EYBL events.