One of the drawbacks on the A380 CW (and the UD in general) is that the storage lockers at your side are not button-activated, but rather the push-down-unlock-push-down-again-lock variety. This means that, if you leave your wine glass there once the tray has been cleared and you fold up your table, you run the risk of accidentally opening it with your arm/elbow and knocking over your wine. Sounds like snagging works to me.