It gives the impression that this is an adverbial phrase of mode. The adverbial phrases are usually formed by a preposition (to) more a (machete) noun, adjective, or adverb. They serve the same function as an adverb and therefore are used to express and to modify the action of the verb. Examples: a foot, on the sly, little by little, wide, fashionable, horseback riding, etc. As to the meaning of a machete , I don't know it. Hopefully someone else clarify it.
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