The goal of this design is to develop a comfortable and textured pen to provide users with a more comfortable writing experience. The design of the whole pen integrates the minimalist design concept, and applies the simple cylindrical shape to shape the shape of the pen holder. Black contrasts with silver and decorates the whole pen. The end of the pen can rotate out of the core, I means out of the core while O means in the core, to prevent the wrong touch out of the core when carrying. Utilization the most advanced technology of low viscosity neutral ink to make the writing smooth and not easy to break ink.