The present invention provides a bushing (10) having a glass outlet portion (18) in which two nozzle holes (12) of substantially flat shape are arranged, and permitting molten glass to be drawn out of the nozzle holes (12), and the bushing is provided with a concomitant flow guide (20) for guiding a concomitant flow made with drawing of the molten glass out of the nozzle holes (12), to between the nozzle holes (12).