Vent, welcome mat, socks, wood, timer, atomizer, fan, sterile scented solution

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A pair of socks are routinely sterilized every 15 minutes.
Two socks stand on a welcome mat where an internal timer sets off every 15 minutes to create a routine sterilization scented mist which emerges from a vent embedded in a pine box. Calling attention to routine cleansing, washing of the feet, and sterilization, Air lock looks at domestic labor and routine using its impossible and impractical cleaning system to maintain a bleak sterile environment shaped around absurdity of habit in the domestic atmosphere.