The guest landing at the yacht club float with his host, both of them wearing oilskins and sou'-westers to protect them from the drenching rain, inquired:
"And who are those gentlemen seated on the veranda, looking so spick and span in their white duck yachting caps and trousers, and keeping the waiters running all the time?"
"They're the rocking-chair members. They never go outside, and they're waterproof inside."