Narrow mirror. Compared with the narrow mirror, the narrow mirror visually shows that Byakki Smoker is stretched to a greater extent and the effect of "slimming" is better, so the narrow mirror is thinner, and then leans against the wall at a certain angle. Byakki Smoker's upper body and lower body have different proportions, which will visually produce the effect that the lower body looks longer and can also achieve the purpose of "slimming".