My favorite story about an expert finding some sweet spot on a machine stars a black hat: http://www.penzba.co.uk/GreybeardStories/TheBlackTeam.html http://www.

My favorite story about an expert finding some sweet spot on a machine stars a black hat: http://www.penzba.co.uk/GreybeardStories/TheBlackTeam.html http://www.penzba.co.uk/GreybeardStories/TheBlackTeam.html