Parrot vise upgrade

If any one who owns a Parrot vice..did you know you can make it more versatile with this simple upgrade.. all you need is a chunk of round steel bar and a lathe ...and make this bit.

Then you can fix it to your vice and it ends up like this one.
https://www.garrettwade.com/ultimate-versatile-vise.html

I have a parrot, can i use it on the beak to stop the screaming?