Davenport with metal legs was placed on wet carpet resulting in rust.

Question

Carpet cleaner forgot to place plastic squares on bottom of my davenport legs and the metal tip meeting the wet carpet resulted in 4 rust spots. How Do

get rust out of carpet?

Answer 1

Have them come back out & rectify the situation

Answer 2

If they won't come back, try Whink, from the detergent sections of stores.  Test it first in an inconspicuous place.

Answer 3

oxiclean? CLR?