The KAJA Wing Eyeliner Pen & Stamp is a two-in-one product that includes a stamper and an eyeliner pen. The stamper has a right and left side, each with a different stamp for creating winged eyeliner. The reviewer, Nicole’s, found the stamper easy to use, simply selecting the correct eye and stamping it in one second. She was able to create a winged eyeliner look on her first try, despite not being a makeup artist. The eyeliner pen is used to connect the stamp and regular eyeliner. Overall, Nicole’s is happy with the product and expects her skills to improve with time. The KAJA Wing Eyeliner Pen & Stamp is a user-friendly option for achieving winged eyeliner.