how to attach?

i need help i bought the grill mesh for the two lower slots on my front bumper. i got the grill cut and ready to be put in. the only problem is i dont know how to take the zip ties and attach the grille to the car...im lost can someone please help

... how to take the zip ties ...

...wire cutter?

...wire cutter?


why would i want to cut whats holding the grille on the car?

why would i want to cut ...

"how to take the zip ties"
--->...wire cutter?

I am lost. Either detailed explanation what where when why wassup & pics - or just be happy.