This video has started doing the rounds on social media. A demonstration of the art of precision tree dropping.
The Duluth Trading Company
specializes in unique "longtail" shirts that help alleviate the problem and social ill of "Plumber's Crack." They've obviously invested much thought in the matter, as you can see from this schematic of the problem. But useful and practical as such shirts may be, there's simply no excuse for Plumber's Butt Playing Cards