This is just info no endorsement
http://www.tensunits.com
https://www.google.com/url?sa=t&sour...ddEqzvxSodnpAw
https://www.google.com/url?sa=t&sour...xmXPDPSaG6zQwQ
A small version can be purchased at discount stores...I found the Icy Hot brand first...there are others
Hope info helps, Bonnie...
Honchey...that's what I call a circle of giving...and so nice to be appreciated, isn't it?