Jia Zhangke (贾樟柯, 지아 장커) Short film - 'The Dog Condition' (狗的状况, 개들의 처지, 2001)

Shows a market where puppies are bought and sold. Several puppies are placed in a cloth bag, and they struggle to break free. One bites through the bag, pokes his head, and is observed in his triumph and then confusion.

*출처: http://www.imdb.com/title/tt2632326/?ref_=fn_al_tt_1