[yhvh]

Clark - Riff through the fog https://www.youtube.com/watch?v=efnsrLg03e4

[geden]

And the detail behind the technique:

http://thecreatorsproject.vice.com/en_uk/blog/witness-the-an...

and

Clark - Superscope http://www.youtube.com/watch?v=TKYrwuxLZtY