Use the protruding side to strongly stimulate your muscles for release, and use the flat side to gently push your muscles for a comfortable and gentle massage.
There are special care tips on the top and bottom of both sides, created for the area you want to intensively loosen, which allows for meticulous care and avoids knots.
It is preferable to use a suitable amount of body oil or lotion before using the massager.
There may be glaze marks, tiny holes, or black dots on the surface of handcrafted ceramic products, but this is not a defect.