Testing to keep its control fresh is a winning strategy for a Utah animal refuge.

By Cary Castle

The dimensional-involvement device actually had an animal treat in the outgoing mail package that would be returned by the donor with a donation. Including the treat made the package three-dimensional. The teaser on the outer envelope read, “A treat for a furry friend enclosed.” The donor also was asked to sign the package with the treat that was to be returned as an additional call to action.