Thank you  @ever4st. And now the next step: How do I find this particular video in  @Biro Bela's very dense note stream? #asknostr 

 (I was hoping  @Biro Bela would jump in )

There is also   @#TuckFrump who could potentially have posted that sort of video
 

 there it is https://primal.net/e/note1fxvhg9dttm2nykm3xeqffhc0hc4w5epnm82xkr463rjh0kvflmusg5k7d7