(King Jangsu) Introduction to Koizumi Hand Massager

Perhaps due to aging or frequent use of computers and smartphones, I have experienced more frequent finger joint pain and numbness. I wonder if it's osteoarthritis or rheumatoid arthritis. Therefore, I have been using a hand massager for the past two years. The product I would like to introduce is the Kojima hand massager.

After doing about 15 minutes with both hands, my finger joints become softer and more comfortable, so I use it every day.