Storing wet brushes bristle side up or on their sides can allow for water to seep into the brush, ruining the glue. For that reason, its important that you let your brushes dry upside down after washing. The easiest, cheapest solution is to use a hair tie or rubber band! Fold a hair tie around a towel rack (or hanger) and shimmy your brush through each loop. Thank you for reading this super quick post!