Originally Posted by vincenzosi
He could do that, but do you think anyone behind him is going to realize he has two blinkies and is just using one to signal he's about to turn? Just thinking like a driver for a minute, I'd see a blinky and just think that he's got one blinky. People aren't accustomed to turn signals on bikes; I'd stick to hand signals.
Agreed.
Furthermore, by not looking back and depending on those lights, you're asking for trouble. The motorist does not expect a blinking light on a bicycle to be understood as a turn signal.