Sold.
This makes it possible to adjust tracking force and azimuth independently of each other on VPI tonearms. Works wonderfully well. I don't have a VPI table / arm anymore so it is for sale. Retails for $50 and I'd like $30 for it, which includes shipping and PayPal fees.
Follow the link below to the Soundsmith page showing pictures. There is a link there to the owner's manual explaining how it works:
http://www.sound-smith.com/intuitive/index.html