Originally Posted by Digital Gee

My experience on MUPs is that hollering "On your left!" has been pretty much useless. Walkers and families with kids on little bikes seem to have no clue what that means. What I holler, instead, is "BEHIND YOU!" and that seems to get far more acknowledgement. They make their move, which isn't always to the right, and once they've done that, I know how to proceed.