Frugal and Energy Efficient Living

cause abrasions and scrape at the waterproof coating that surrounds them, like the non-stick on the drum. Or your clothes.

And there might be places where it could lead to unwanted attention. Airport security comes to mind.

So far in my little experiment however, the smaller ones seem to do the job just as well.

I even tested it with just one for awhile, and my wife couldn't tell the difference. But when you open things up they tend to roll off across the floor, so having a spare around is nice. Especially if one has a cat.