this Therapressure brush is designed to deliver a deep pressure masge to help improve sensory defensiveness Corn Brush Sensory Defensiveness Special Needs Therapressure Brush brush Children on the spectrum are id to see decreases in sensory defensiveness and anxiety witht he use of the Corn Brush brush for clinic or home use. brush The corn brush is recommended by therapists and doctors alike for working with children with sensory impairments.