Doc Johnson OPTIMALE- Reversible UR3 Stoker- Link- Clear is a 5 inch open-ended stroker manufactured by Doc Johnson. Designed to provide you with a highly realistic feel, this particular toy even warms in the hand for added comfort. Ideal for men, it can be used both alone and with a partner. Best of all, this toy is made from super-realistic virtual skin that is entirely devoid of Phthlates. This toy also has the advantage of being extremely easy to clean.