Eggcorn of the day

Beautiful eggcorn in The Age this morning:

The new Guide to the Murray Darling Basin Plan has taken a hammering from the irrigation industry over the past week. They’ve made fake websites to mock it, thrown paper machete horse heads at its authors, and burned copies of it in the street.

Given the vagaries of how nouns can modify other nouns in English, we have the choice between ‘machetes made of paper’ (which I am happy to have thrown at me) and ‘machetes for cutting paper’ (which I will duck). How either of those can,in turn, modify ‘horse heads’ is less clear……