Edgar Cayce's Radial Appliance
a comprehensive approach to maximizing health
This shows how the nickel-silver plates are used with these hook-and-loop straps.
(Velcro is the brand name for similar products made by the Velcro company.)
These are “just-right” for holding the plates to the wrist or ankle. They are 14.5-inches long, and pre-cut with a hole for the wire.