- check your lanes - indicate your turn while your hand is off the brake lever, the Mack truck ahead of you suddenly stops. But I'll give you this: the main o

- check your lanes - indicate your turn while your hand is off the brake lever, the Mack truck ahead of you suddenly stops. But I'll give you this: the main objection to it is the emotional "not rightness of it", rather than the factual likelihood * severity of the scenario. I bet the blogger is still riding that bike.