Description Powerball: Pocket-Size Acupressure Ball To Be Rolled In Hand For 5 Minutes Daily For Total Health. ***Power Thumb: Must For Every Acu-Doctor And Healer. Power Thumb Is A Handy Tool To Be Worn On Your Thumb. Now You Can Press The Points With Your Thumb.For Special Points Of Your Hands, Foot And Body. Roll In Your Hands For 5 To 10 Minutes Daily. Best For Middle Part Of Palm & Finger Relaxation. Not Intended To Diagnose, Treat, Cure Or Prevent Any Illness.