Vintage Nikken Magnet Insoles with Massage Nodes,

This is a set of nikken magnet insoles with massage nodes. They’re 9 1/4” long. They were trimmed to fit about a 7 1/2 ladies shoe. They are about 20-30 years old, there is Nikken logo printed on bottom of insole. They are unused, bought them for my mother and she did not use them. The magnets are supposed to help with circulation. They could be cut to size.