Evoluent VMDS Wired Mouse VerticalMouse D (Small)Evoluent's ergonomic VerticalMouse D USB Wired Mouse gently supports your right hand in an upright neutral position. The patented shape prevents you from twisting your forearm like you usually do with an ordinary mouse. Avoids Forearm Twisting For Comfort The ergonomic shape supports your hand in a handshake position. Since 2002, users continue to report that Evoluent VerticalMouse provides superior comfort and even relieves their wrist pain. Extended