What is called the gun

Feng shui proverb says: a straight road a gun.Gun is refers to with a straight long corridor for residential doors or road, or a river come straight to the house.This is a kind of invisible ShaQi, the main mass annihilation, or serious illness.

Dissolve the gun down, but on the door hanging bead curtain, or display screen.Can also be used in Windows put gold ingot or a pair of kirin.