Our product is a therapy brush that you can use in tactile studies. The Wilbarger Protocol is a Therapy Program Designed to Reduce Sensory or Tactile Defensiveness. Children Are Extremely Sensitive (To Touch) To Show Tactile Defensive Signs. You can overcome this problem of your children with the help of these brushes. It is a product that can be used to increase body awareness, relaxation, tactile stimulation and monitor reactivity.ü