Origin of the Humbler

[Dix]

Does anyone know the origin of the humbler testicle clamp? I thought I read somewhere years ago that it is an ancient device to keep a prisoner from running away. Is this true? If it is true, who used it and what era did it begin being used?

[skweezme]

I'm intrigued as well. Loved it when my Mistress got one and tried it out on me.