Answer:
They are the shore's gallant knights.
Timid or weak people are said to not have these.
Doing this with your job can be risky but doing it with smoking is always a good idea
Can be achieved in a car or as a position during conflict
We traveled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly. How can that be possible?
I am a room that has a roof but no walls. What am I?