Meaning of the word "one hand for yourself and one for the ship" in English

What does "one hand for yourself and one for the ship" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

one hand for yourself and one for the ship

US /wʌn hænd fɔːr jʊərˈsɛlf ænd wʌn fɔːr ðə ʃɪp/
UK /wʌn hænd fɔː jɔːˈsɛlf ənd wʌn fɔː ðə ʃɪp/
"one hand for yourself and one for the ship" picture

Idiom

a nautical rule advising sailors to use one hand for their own safety and the other for the work they are doing

Example:
When climbing the rigging, remember: one hand for yourself and one for the ship.
Safety is paramount at sea; always keep one hand for yourself and one for the ship.