Literal Meaning: Unwilling to give up even a hair
Metaphorical Meaning: It is used to express that someone is too stingy.

There used to be a rich man, whom people called him Uncle Six, He was very stingy. Because he always considered how to exploit the poor, one day he got sick and nearly died. Three days later, he came back to his consciousness and saw his room crowded with many relatives and friends. He wanted to say something but in vain. His oldest nephew said: “Uncle, do you miss the two relatives you haven’t met?” Uncle Sic shook his head. His second oldest nephew asked: “Do you want to talk about the money you’ve hidden?” He shook his head again. Only his wife knew what he wanted to say. She saw two lamp wicks burning in the oil light. So she removed one of them. Then Uncle Six uttered a sigh of relief.

Suddenly, Uncle Six, who was dying, said to his wife in tears: “After my death, don’t share the two pieces of paper with the relatives attending my funeral.”

“After my death, don’t use a coffin to take my body. Just dig a hole and bury me there.”

“After my death, don’t invite the monks to chant scriptures for me. I can chant scriptures for myself in the netherworld.”

“After my death, flay my skin and sell it to the cobbler. Depilate my hairs and sell them to the brush-maker. Remember, get all my hairs and don’t miss one.”