On the end of the pipe is a metal cap usualy with a vent in it much reduced in size from the open top of the pipe. If you are out on a windy day the chances are that without the cap the tobacco would not last very long once lit. Very useful for outdoor workers.
On the end of the pipe is a metal cap usualy with a vent in it much reduced in size from the open top of the pipe. If you are out on a windy day the chances are that without the cap the tobacco would not last very long once lit. Very useful for outdoor workers.