Grasp and release is the evaluation criteria for ACL 3.0 for both stitching and coloring. Both of the screening activities are brief, on purpose. The value of a screening test is that it provides a quick way to get started. Within ACL 3.0, they often grasp and release the paper and a crayon, but coloring is usually limited to vague swipes at the paper. They may not pay any attention to the effect the crayon has on the paper.