Testing ScribeFire extention for Google Chrome

This is my first test of ScribeFire Extention for Chrome.

Missing shortcut to attach a file to an email in Gmail's web interface

I found out, that there are no keyboard shortcut to attach a file in Gmail's web interface!
You have to press Tab key 9 (nine) times to reach "Attach a file" link:

It would be nice to reach this function faster with a shortcut. Take a look here for all Gmail shortcuts site.