When sears killed their lifetime guarantee on wrenches, the local competition put an aquarium in their tool section. Throw in a "useless" sears wrench and you

When sears killed their lifetime guarantee on wrenches, the local competition put an aquarium in their tool section. Throw in a "useless" sears wrench and you could pick up a free replacement with a life time guarantee. Seemed pretty effective, the clerk claimed they had to empty the aquarium every week or so for the first year.