What's the use of conch and shell Taoist?

Conch and shell Taoist priests have the function of exorcising ghosts, and Taoist priests blow snails to scare and subdue ghosts. "Tai Xiao Lang Shu Jing" said: "Pedestrian Avenue, hence the name Taoist Temple. The body and mind are logical, and the only way is to follow. Doing things from the Tao is why it is called Tao. Therefore, conch and shell Taoist priests have the function of exorcism. This answer is for reference only. Don't be blindly superstitious.