The Beep by SIMONMILLER is a closed-toe mule crafted with crystal accents for both elegance and comfort. The Beep by SIMONMILLER is a closed-toe mule crafted with crystal accents for both elegance and comfort. SIMONMILLER is a Los Angeles-based lifestyle brand encapsulating a playful take on classic luxury. Featuring ready-to-wear, footwear, bags, and jewelry, each piece epitomizes the vibrant and mod lifestyle of their CEO and Creative Director, Chelsea Hansford.