Answer:
They stop their ears with beeswax.
Step-by-step explanation:
The Odyssey is the sequel of The Iliad written by Homer. Not much is known about Homer, but it is believed that he was a blind court singer in the 8th century BC. The Odyssey describes the events of the Trojan War that took place in the 11th and 12th century BC. The story starts with Odysseus being left to fight in the Trojan War.
To protect his crew from Odysseus puts beeswax in their ears, but not in his ears because did not affected him.
Odysseus ordered his crew to tie him up to the mast.
He asked them not to release him until he stops breaking the robe and this will act as a signal for his crew that the siren has stopped.