one in the left hand (see "d" in the fig.). throw no. 1 from the right hand to a point over the left hand, and then before it can fall into the hand throw up no. 2 to a similar position over the right hand; before no. 2 can fall into the right hand no. 3 follows no. 1, and these movements must be kept up indefinitely. this is technically known as the "shuffle" inner movement, the balls passing under each other. another form of the "shuffle" is that known as the outer movement, where the balls, instead of passing under each other, are thrown over each other as shown 