A:Answer Thanks for reaching out to us, Mog! The upper rack is designed for flexibility in loading a wide variety of items, including cups, glasses, stemware, small plates, bowls, etc. Many consumers have found that ensuring the items are loaded correctly can alleviate most concerns. However, we would like to gain a little more insight for a better understanding and to assist you with your concerns. At your convenience, please connect with us via Live Chat, and our specialists will be happy to assist. -Ciara