Nouns ending in -aille are usually feminine.
Is paille masculine or feminine?
lapaille
The rule behind it
95.8% of -aille nouns are feminine
In context
À Hokkaido, ils font des chevaux de paille.
In Hokkaido, they make horses of straw.
N'est-ce pas un simple feu de paille ?
Isn't that just a brush fire?
Il a tiré la paille la plus courte.
He drew the shortest straw.