32 tips on flashing high numbers of balls - Whether you think a flash is proper juggling or not, it’s still a highly demanding physical and technical feat to flash a high number of balls. This article contains advice and guidance for people wishing to scale the heights of numbers juggling.

Numbers Training - Steven provides an insight into how he trains for numbers

Strict numbers training regimes? - a contrary view by Jay Linn

Throw height and rate - How high and how fast should you juggle?

10 ball pain - When should you stop training?