seems to be working.
no sign of critterly activity in the kitchen.
plus, the peppermint oil gives the place a more pleasenter smell...
I am think of adding the peppermint oil to the heating vents, as our lil friends have been known to use the duct work as a rodential superhighway. Then the entire house will smell like a candy shop.
You need to try peanut paste.
Apparently it is irresistible to meece.