How to watch Age-Restricted YouTube videos without login?

There are many videos in Youtube which are Age-restricted and available only for logged-in users with age-limit. If you want to watch these videos on Youtube without signing-in then you can do it via below trick:

If you want to watch this video which is age restricted:
https://www.youtube.com/watch?v=07FYdnEawAQ

Then you watch it using the below method:

Watch it here by changing the URL to: https://www.genyoutube.com/watch?v=07FYdnEawAQ
Here gen is appended with the Youtube Video URL.