banjira Sitar Tuning Bead Plastic Fluted 2 Pack Large. The purpose of the egg beads are to help in the fine tuning of a sitar. The bead is placed on a string and as the bead is moved, the angle of the string changes, thus changing the tension in the string. This is only for fine tuning.
The purpose of the fluting on this model is to add a design ridges to the bead.