What was the “crinoline” petticoat made out of?

Here is the question :

WHAT WAS THE “CRINOLINE” PETTICOAT MADE OUT OF?

Here is the option for the question :

Horsehair
Golden spider silk
Alpaca wool
Polyester

The Answer:

And, the answer for the the question is :

HORSEHAIR

Explanation:

[STC0019506]. In the 1840s, petticoats made of horsehair cloth were popular. They were named after the French word for horsehair, ‘crin,’ and the phrase ‘crinoline’ may refer to either the fabric or an underskirt. Crinoline fabric was frequently stiffened for extra structure, making it suitable for the early 1800s’ billowing petticoats.