The feathers inserted in Italian helmets are not entirely chicken feathers, but also goose hair, swan hair, ostrich hair, stork hair and so on. However, chicken feathers are the highest, with 10, because since ancient Rome, roosters have been regarded by Roman ancestors as a symbol of belligerence to encourage every Italian soldier to be brave and tenacious. Generally, only elite troops and troops with glorious traditions are qualified to wear them.