Originally Posted by WheresWaldo

In a group of riders do you point out stuff on the road? I generally find that by the time you have pointed anything out it is too late for the rider behind you to make any adjustments to whatever it is. For me at least it seems better to look under the arm or over the shoulder of rider in front, at the road, so you can discern for yourself what you need to avoid and what you can ride through. An added advantage is that it is easier to maintain a even distance from the rider in front if you are not fixated on his/her rear or rear wheel.