A tea sock is a cloth bag used to infuse loose-leaf tea. The tea sock is filled with the desired amount of tea, and then hot water is poured over it. This allows the tea leaves to steep in the hot water, creating a delicious cup of tea. There are many different types of tea socks available, each made from different materials. Some are made from natural materials like cotton or wool, while others are made from synthetic materials like nylon or polyester. Tea socks come in a variety of sizes, so you can choose one that fits your needs. If you're looking for an easy way to steep loose-leaf tea, a tea sock is a great option. They're affordable, easy to use, and they make a delicious cup of tea.