The gripping motion of the gripper (IMAGE) National Research Council of Science & Technology Caption (Upper) Gripping objects of various sizes (Lower) The gripper is used to grip an acupuncture needle placed on the floor. In the gripping process, the tip of the gripper bends like a finger, comes in contact with the floor, and then picks up the acupuncture needle. Credit Korea Institute of Machinery and Materials (KIMM) Usage Restrictions The sources of photos and research results from KIMM must be specified. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.