I know the "Piccolo" rhyme. I'll try and describe it:
Piccolo: My name is high low pika-low, pika-low high low, high low pika-low, pika-low low
A and B stand facing each other. They hold their left hands out, as if to shake hands BUT not palm to palm. The hands are back to back. Let's call these hands 'the figure.' Throughout the ryhme, only the right hands move, the left hands stay in figure. On the word 'High', A and B clap their right hands together over the figure. On the word 'Low" they clap their right hands together under the figure. On the word "Pika," A and B clap their right hands with their own left hands, while maintaining the figure.
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Piccolo: My name is high low pika-low, pika-low high low, high low pika-low, pika-low low
A and B stand facing each other. They hold their left hands out, as if to shake hands BUT not palm to palm. The hands are back to back. Let's call these hands 'the figure.' Throughout the ryhme, only the right hands move, the left hands stay in figure. On the word 'High', A and B clap their right hands together over the figure. On the word 'Low" they clap their right hands together under the figure. On the word "Pika," A and B clap their right hands with their own left hands, while maintaining the figure.
How's that, clear as mud?