Leather-bottom shoes are slippery, so they are prohibited for both men and women.
Women are prohibited from shoes with heels such as high heels.
In addition, clothes that are restricted in operation, such as tight skirts, are dangerous, so please wear clothes that are as easy to move as possible.

Red wine is prohibited in principle, which may be dirty when the ship shakes and falls.

Other things can be brought in, but soup is not very suitable.