"Spike" makes people feel uncomfortable and want to avoid it. Some may say a small spike seem not to be much of an interference. However, when the spikes continue to appear, emerge one after another, the image of the spike will be wrapped in the meaning of these symbols. The spikes seem behind everything, makes you feel nervousness and sense of the oppression. The dining room is supposed to be a place where you enjoy the meal, yet you couldn't even relax.