Blinds according to the present invention, the rail extending in the longitudinal direction; A plurality of slats extending in the longitudinal direction and arranged to be spaced apart from each other in the vertical direction on the lower side of the rail; And when the direction perpendicular to the longitudinal direction and the vertical direction is referred to as the width direction, at least one of a pair of elevator lines installed on the rail and coupled to both sides in the width direction of the lowermost slat, which is a slat located at the lowest end of the plurality of slats. Any one includes an elevating device that is wound or unwound, and when an external force is applied to the lowermost slat in an up-down direction, the lowermost slat is displaced in a direction corresponding to the external force as the hoisting line is wound by the elevating device or unwound from the elevating device. When removed, the position of the lowest slat is fixed.
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