The goanneun when the backboard and a roller attached to the magnet of Figure 1 relates to an abdominal massage the user and massages by selecting the size of rollers for the body rolled into the spine or abdomen, neck, back, etc. pain relief of backboard and lumbago and this also excellent efficacy such as abdominal obesity, constipation and many other diseases and is provided with a chiropractor and abdominal massager to feature that can be permanently used without any trouble.
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