Associating two very different things by comparing them without “like” or “as.”

feet = blocks of ice
life = road (wild and wearisome)
hair = nest of twigs, swirling clouds, collection of flopping feathers
butler = ice
voice = violin string (abused)
smoke = a woolly carpet
road = ribbon of silver
dizziness = a wave
teeth = crammed in soccer crowd

PERSONIFICATION

A warped circle of mud grinned up at him.   (during drop-down drills)

Strings of mud clenched his face.

When she looked up, the sky was crouching.

The cold was climbing out of the ground.

– from Markus Zuzak, The Book Thief