Kinova also provides accessories such as arm grippers, actuators and controllers. Industrial grippers may employ mechanical, suction or magnetic means. One solution is the use of suction grippers. Generally, the gripping mechanism is done by the grippers or mechanical fingers. Mechanical grippers can come in various types, including friction and encompassing jaws. Laser grippers are known also as laser tweezers. The ROS-Industrial repository includes interfaces for common industrial manipulators, grippers, sensors, and device networks. De-Sta-Co manufactures work-holding and flexible-automation solutions, such as clamps and grippers. The grippers would dig into the boulder and create a strong grip. A particular category of friction/jaw grippers is that of needle grippers. One of the most common types of end-effectors are "grippers". The weft is threaded through the warp using a "shuttle", air jets or "rapier grippers". Colt's Manufacturing and Uncle Bill's Silver Grippers (producer of tweezers). The grippers are extended, the rear legs lifted, and boring resumes. The machine will then push forward off the grippers gaining thrust.