Abstract: Using a suction gripper cluster device is disclosed, including: causing airflows to be generated by a plurality of airflow generators of a respective plurality of suction gripper mechanisms included in a suction gripper cluster device comprising a plurality of suction gripper mechanisms, wherein the plurality of airflow generators is configured to cause the airflows to enter respective intake ports of the plurality of suction gripper mechanisms and exit respective outlet ports of the respective plurality of suction gripper mechanisms in response to receiving air at a respective air input port of the respective plurality of suction gripper mechanisms; causing a target object to be captured by the suction gripper cluster device using the airflows; activating a positioning actuator mechanism to position the suction gripper cluster device; and causing the target object to be ejected from the suction gripper cluster device.

Abstract: An improved weightlifting assist device is provided that includes a flexible fabric strap and a ring attached to a protective cushioning member or layer. The strap is attached to the cushioning member by stitching the strap to a point on the cushioning member between the ends of the cushioning member. The strap has its opposite end unattached so that it can be threaded through the ring and folded flat against the palm of the user. The free end of the strap can then be wrapped around a weightbars to assist in transferring of a weight to the forearm of a weightlifter, relieving the lifter's fingers of the majority of the load. The cushioning layer may be substantially wider than the fabric strap, so as to distribute the forces of the weightlifting activity over a larger area, reducing irritation that would be caused by the strap alone.