C81

Yin Yijie walked over and placed his large hand on top of my head. Then, he placed both phones by my side. He simply brushed my hair and rearranged it.

I looked up at him and pointed to one side of his hair.

Yin Yijie raised his eyebrows in confusion and looked at me, but didn't move.

"Throw your hair away."

I directed him and went back to work.

Positioning and tracking