Mid Atlantic Arms Collectors Gun & Knife Show

May 13,  · If you have a Jansport backpack with a suede bottom or leather bottom use this method minus the detergent. Submerge the bag in the water and “agitate” slightly to get it clean. Use an old toothbrush to scrub the zippers, mesh areas and embroidered threads. Once you’ve washed it, drain the soapy water and refill with clean water to rinse.