Brother, Can You Spare That Jacket? - S4-E8
Continuity mistake: At the end of the episode, the girls regroup after looking for the winning scratch-off ticket and Blanche says she found it. At that moment, she is not holding her purse, however in the very next shot, after the priest enters the room, she's suddenly holding her purse again without the girls ever having moved from their spots.
Answer: Ice makers were a new invention, advertisement purposes.