Lutron Credenza Plug-In Dimmer for Incandescent and Halogen Bulbs, TT-300H-WH, White

"big Hitachi magic wand but she finds that too intense even on lowest setting." If you use a Lutron TT-300H-WH Dimmer: www.amazon.com/dp/B0000BYEF6 and a short extension cord that will let the vigrator to go much slower and be adjustable to the level she likes. Works great!