Yabla Chinese

Yabla video uses of 中指
中指 zhōngzhǐ
托 tuō
住 zhù
杯 bēi
底 dǐ
呈 chéng
三 sān
龙 lóng
护 hù
鼎 dǐng
状 zhuàng
and the middle finger to support the bottom of the cup like a tripod.