How to follow yourself !
Use Google Chrome for this.
Also, no extra account needed! Just inspect element magic!
Arrow keys to switch slides
If you can't understand this but have some inspect element experience, you could figure this out using what you do know.
I read that you could use Inspect Element for this a while back, but I never learned exactly how. But now i know :P
My Youtube channel is https://www.youtube.com/channel/UCk9mhKoVYIzUG_6hOct6VSQ/videos?&ab_channel=MusicCubeChannel