This non toxic writing aid sattler grip is an innovation, which gently guides the fingers into the ergonomically correct writing position. It is developed to provide an ideal writing aid for left and right handed persons. Its shape guides the fingers automatically and gently into an ergonomically correct writing position. The pressure feedback system cushions the pressure and prevents the user from holding the writing instrument too tightly. The pliable and pleasant feeling material is guaranteed free of toxic substances and eliminates the risk of allergenic reaction. Fits most pencils, pens and brush diameter.