New Video toolbox on mi lite 10t 5G not working

[Bcfcfan12]

Hi all. I've just watched a YouTube vid on using video toolbox on miui 12. I have it enabled on my device but it doesn't seem. To do anything when swiping from the left when watching YouTube. Any ideas?

Rob

 

[Mi10TLite]

Hi all. I've just watched a YouTube vid on using video toolbox on miui 12. I have it enabled on my device but it doesn't seem. To do anything when swiping from the left when watching YouTube. Any ideas?

Rob

It could be positioned on the right