Ltpgtthe 66fit sports gyrociser was originally designed as an exercise device to help improve the blood circulatory system to the fingers hands wrist and armltpgtltpgtltstronggtfeaturesltstronggtltpgtltulgtltligtmaterial plasticltligtltligtcolour blueyellowltligtltulgtltpgtltstronggtdescriptionltstronggtltpgtltpgtthe sports gyrociser utilises the deep hand muscles including the interossei and the lumbricals this e