Banned key

Image: 
Credit: 
Nick Youngson/Alpha Stock Images/CC BY-SA 3.0
Source: 
Nick Youngson/Alpha Stock Images/CC BY-SA 3.0
Credit URL: 
https://creativecommons.org/licenses/by-sa/3.0/
Alt Tag: 
An image of a keyboard key bearing the word 'banned'
Title Tag: 
Banner key