Any experienced shooter has long ago learned to catch empties without it becoming a chore. Working ejectors put the shells into the hand without having to pick them out. By the way, Ed has shot at my pigeon club where gentlemen deposit their empties, two at a time, into the proper receptacle, by hand. It seems to be a matter of courtesy, which I have also seen on the International Skeet field. Not all shooters participate, but it is refreshing to see such behavior.