它是什么？

Colored wrist or ankle bracelets help students match their movements to the teacher.

它在哪里找到？

Buy online and bring with you.

我该如何使用它？

Match colors for the students and leader (e.g, right wrist yellow, left wrist blue, wright ankle red, left ankle blue) to help students master dance moves. If you are mirroring the students, be sure to switch your bracelets so they match.