Always speak with your physician prior to starting any exercise or rehabilitation program.
Some brands use a velcro strap or two to secure the device to your shoe. Lyme disease which already been highly publicized since its outbreak the actual planet 1970's. https://www.evernote.com/shard/s643/sh/9048ab13-d5a8-3cc1-cb82-eca8a3642c5c/yL6QS0YsavxciLMlPFVHzN9FyeudwAcFj6vOOGr3dD8TB3_xW2gAith9sg