The right hook, when a right-turning vehicle collides with a
bicycle traveling straight-through, can be prevented with
assertive lane position and never passing on the right. Another
common bike-car collision is the left hook, when an oncoming car
turns left into the path of a bicyclist going straight through
an intersection. The reason for this is the same as for most
car-bike collisions: the motorist doesn’t see the bicycle. That
may come as a surprise, because in the left hook situation, the
motorist is facing the cyclist. The failure of a motorist to see
a bicycle right in front of him can be explained by the
“Moonwalking bear test”, a short video which challenges the
viewer to count the number of times a ball is passed between
players in white. The viewer is so focused on counting passes
that he never sees the prominent moonwalking bear. Motorists and
bicyclists alike don’t see what we aren’t looking for. A
motorist making a left turn may be looking for oncoming cars,
cars coming from the right or left,