What is the rhetorical device of dancing on the moon cake with a knife in hand?

The knife in your hand dances on the moon cake with anthropomorphic rhetoric.

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The personification rhetoric is used in the sentence, which endows the knife with human characteristics and makes it personified, vividly writing the characteristics of the knife's strokes and cutting on the moon cake.

Personification rhetoric is to personify things, which is an analogy. Describe living things and abiotic things directly as people, and give them vivid impressions and concrete feelings by giving them thoughts, feelings or actions. For example, "spring breeze and drizzle gently caress and care for the newly sprouted grass." It is a common anthropomorphic description technique in literary works (such as fairy tales and fables).