Installation method:
1. Cut the regular rubber band short first, and set it aside for later use
2. Tie the spleen meridian onto the headband
3. The length of a sphere naturally hanging from the head to the abdomen
Product features:
1. Unleash the potential of glasses
2. Strengthen hand eye coordination
3. Relieve stress and strengthen the body
YIPS：Different packaging
Includes one headband and two balls (one hard ball and one soft ball)