It’s bound to happen. You’re at a party and you set down your glass to hold a plate, or to show someone your Amalfi coast vacation photos on your phone, or maybe just to visit the restroom. Then, when you look back, there are two other glasses where you set yours that look exactly the same. It’s happened to all of us and, when you’re the one hosting the party, it’s likely to happen to you several times throughout the evening because a host’s duties often require both hands. When guests are all drinking similar beverages, glasses are likely to get mixed up, particularly as the evening progresses. For guests, it can mean risking drinking after someone else. For a host, it can mean wasted beverages and extra dirty glasses. Fortunately, some clever, innovative people have created some charm-ing solutions. Better yet, many of the options available will fit on…