Toes that are immensely bigger than the average human's fingers and are able to claw their way into your carpet, through your floor, gripping your housefoundation, hence the name carpet crunchers.
Extra 1: BE QUIET DON'T YOU HAVE TWO CARPETCRUNCHERS 3000??
Extra 2: HOW BOUT YOU LEAVE THEM ALONE OR THEYRE GONNA BECOME HUMAN CRUNCHERS