Written language, in its mechanical aspects, can be directly associated with spoken language and be practically derived from it as another mode of expression. This is especially true during the period when speech is naturally being fixed, that is, during the sensitive period.
Use of this material strengthens the pincer grip and coordinates the necessary wrist movement for writing. The exercises also advance proficiency in lightness of touch and evenness of pressure through drawing activities. The Metal Insets invite unlimited geometric design possibilities.