It's incredible how people have used this exact video in presentations and now the "whirl valve" has assimilated into common knowledge when it is just a gimmick from G&G, the guys that have been historically known to make dog poo poo pistols.
It's incredible how people have used this exact video in presentations and now the "whirl valve" has assimilated into common knowledge when it is just a gimmick from G&G, the guys that have been historically known to make dog poo poo pistols.