For juggling three balls, throwing under the leg requires the leg to kick up straight from the waist. Throw under the leg for juggling three balls with tips from a juggling enthusiast in this free video on hobbies.

Expert: Isaac Shivers
Bio: Isaac Shivers is a self-taught juggler whos been affiliated with the Harvard University Juggling Club and the MIT Sunday Juggling Club.
Filmmaker: Christian Munoz-Donoso