Tone Vise® TREMINATOR™ Super Stabilizing System™.

It provides superb tuning stability for both floating and decked tremolos allowing for:

• In tune playing of double stops and pedal steel type licks
• Making string bending easier, reduces the distance need to bend up to a note
• Keeping the tremolo from going sharp while resting your palm on it
• Quickly and easily set to dive only, great for down tuning, string changes and setups
• No new screws holes on guitars that use standard claws
• No center "notch" at the zero point, uses an actual tremolo prevent changing the feel of the tremolo
• Multiple setup options available to match player's individual playing style including flutters.
• Solid brass construction, 1/4 lbs for more mass.
• Ultra ridged locking claw assembly for maximum coupling to the guitar body
• One size fits all trem cavities

Please see demo video link below for more information. 

https://youtu.be/GfmXoI9F3H4

Installation video: 

https://www.youtube.com/watch?v=A6ZgnMMFnoE