What is ROS head？

ROS is an upgrade available for silicone dolls that includes an ultra soft silicone openable mouth with a fully movable jaw! Inside the mouth includes super soft silicone teeth and realistic movable tongue and a textured palate on the entire mouth chamber. To say it's realistic would be an understatement, it's amazing. Ultra-real blowjobs on tap with super realistic silicone heads are finally here. Say goodbye to eye bulging, say hello to the best blow job you've ever had (from a sex doll). It's like the enhanced mouth upgrade (which is awesome), but better, much better.