Peterson Pen / Pencil Grip Trainers / Aids for Children Extremely important in shaping the correct grip for easiest writing down the road! Do this for your child! These grips enforce the three-finger pilot grip, which is less tiring and gives fine-muscle finger-tip control. Without continual guidance, young children will go to a "flipper grip" (SEE PIX) where the whole hand has to work and you're writing with your wrist. Three slip-on grips. Size "Regular". These are fairly soft. The green one has noticeable wear; the red not much; and the blue very little. See the pictures.