Opacity & Mask Define Knockout Shape - WTF?

This option in the transparency panel took me years to understand. And in order to make it easier for you, I have recorded this video. "Opacity & mask Define Knockout Shape" is part of Knockout groups, so I have explained both and the reason why they exist in this video. An elegant text effect that uses knockout groups: https://youtu.be/vSqy-W4TNOk If you'd like to know more about "Page Isolated Blending" and "Page Knockout Group", please check out this video: https://youtu.be/UrR9lOiV5hA About this channel: My name is Monika Gause and on this channel I'll be showing tipps and tricks on Adobe Illustrator and other graphics applications. For more than 15 years I've been writing books, tutorials and magazine articles on it and record video tutorials for different companies. I'm an Adobe Community Professional. Videos on this channel focus on specific and individual subjects. Don't miss following videos: subscribe to my channel https://www.youtube.com/channel/UCyV8j0c4-mTOWq3IrFNPHjA?view_as=subscriber?sub_confirmation=1 Social Media Links: http://www.twitter.com/vektorgarten http://be.net/vektorgarten