Alektra Blue and Sunny Lane represented Zero Tolerance Entertainment on Friday at Media Shops in Las Vegas for an in-store signing. They promoted the Zero Tolerance/Adam & Eve co-production "Roller Dollz" which was released earlier this month. Zero Tolerance brought its 40-foot, custom-painted RV to Vegas to help promote the movie. It was parked outside the store for the signing. Vegas-based photographer Hewman Being and LA-based photographer Gia Jordan were on hand.