Friendship Flute beer you can share with 7 people

This is a large flute called the Friendship Flute . If you look at the top of the glass you will see 7 numbers that circle the top. You can buy one very large beer and 7 people can drink from the same glass. Each person drinks from their own number. If you order these in a German bar, be careful, the deposit is usually about 50 dollars in case you break the glass.