The mall near my parent's house got Santa to come visit for peoples pets - and proceeds went to the SPCA. It was so cute, until SheRa peed on Santas rug! I was kinda embarrased, but it was all part of the holiday cheer.
Keep in mind, unless you correct them "in the act" they really have no clue that they have done something wrong, or more to the point "what they did wrong"…. shredding is pretty natural to a Basenji