Just when you think you know someone, they shock the living daylights out of you by inventing a game-changing tool to tackle one of my most dreaded household tasks. I have known Karla Call since I first moved to Denver almost 12 years ago. She’s a fun-loving mom of four, runs an award-winning dance studio and her teams have won Nationals more times than I have bothered to clean my shower. Note: The first number is very high, the latter is low. Enter: The Shower Shimmy! Karla stumbled upon the idea for her invention while cleaning her shower the traditional way. She ventilated the room, put on rubber gloves, and gathered the sponges, rags, grout scrubber, squeegee and cleaning solution which would be needed to get the job done. Thirty minutes later, she had finally finishe...