Adding 'red' to safety button

[cwebb]

I recall seen big a great modification for safety buttons that do not have a red indicator ring. I would swear I saw this in Vitaly's book but now I can't find it. Can someone point to it? I can't recall what the red tape was. Thanks!

[Vitaly]

Here is post by Tommy:
http://www.rem870.com/2012/11/20/adding ... ad-safety/

[cwebb]

That's it, thanks!