Originally Posted by alan s

This has got to be one of the stupidest ideas I have ever seen on a bike. What if another bike wants to pass you? They have to go way out into the traffic and risk getting hit, rather than saying "on your left" and passing a foot from you. Don't be suprised if you receive frequent hostile comments from other cyclists. The 3 foot rule is a common sense guide, not a hard and fast rule dictating the amount of space someone needs to give you.