The Wing Eyeliner Pen & Stamp -2 pcs by KAJA is a must-have for achieving the perfect winged eyeliner look. LaToya demonstrates how easy it is to use the stamp to create a precise wing shape, and then fills it in using NYX eyeliner. The pen glides smoothly, allowing for a seamless application. LaToya mentions that she loves how the pen can be used to create both thin and thick lines, and how it easily fills in any patchy areas. The outcome is a flawless winged eyeliner look. Overall, the Wing Eyeliner Pen & Stamp -2 pcs by KAJA is a convenient and effective tool for achieving stunning winged eyeliner, making it a great addition to any makeup routine.