Nevertheless, the consumer is often quite certain that the glass must have come from the can. In most cases, examination of the glass fragment indicates that it came from an ordinary domestic drinking glass, and it would appear that most such instances are the result of a breakage in the home resulting in a glass fragment resting in the bottom of the glass, and only being discovered after the drink has been poured onto it. Often these are pieces of glass which include part of the rim, with its characteristically beaded edge.