One attention-grabbing portable sanitation product that debuted at the 2013 Pumper & Cleaner Environmental Expo may have seemed out of place. But while the original concept behind the Stump from Nature Calls wasn’t as a portable restroom, that may be where the realistic tree truck design finds a niche.According to the company’s general manager, Kurt Ludwigsen, the Stump came from an idea he came up with attending another tradeshow geared toward the outdoors market.“I met some fellas who were making blinds at a hunting show toward the end of 2011 and saw the potential of the amazing realism of the
