we can supply magnetic healthy sphere which are made from hematite. this product could help people to increase circulation, reduce inflammation, strengthen and improve human body's immune function, improve human body's resistance to the disease, etc. using instruction, put the two hematite balls on your palm, and crook and stretch the five fingers in sequence to cause the balls to rotate and revolve in clockwise or counter-clockwise. if you do like the above, all the joints of the hand are always in motion, and with the crooking and stretching of the finger, the body will become flexible.