He may be the man that developed most important vaporizer that didn't rely on the re-purposed heat paint stripper, having seen this prototype operated by it's legendary Amsterdam-based American inventor Eagle Bill and judged it unwieldy - and improvable.Evert spends time at the Any Day Coffeeshop as he is in Amsterdam. Upstairs, half a number of of his beautiful glass vaporizers are warmed up and ready for...