ヘアゴム
I tie it with a hair tie.
私はヘアゴムで結びます
I tie my hair with a hair tie.
私は髪をヘアゴムで結びます
I tie my hair with a hair tie in the gym.
私は体育館で髪をヘアゴムで結びます
I tie my hair with a hair tie in the gym before class.
私は授業前、体育館で髪をヘアゴムで結びます
I tie my hair with a hair tie in the gym with my friend before class.
私は友達と授業前、体育館で髪をヘアゴムで結びます