A handling device (10), e.g. a robot comprising a holding part (200) that includes two or more supporting parts (201) , e.g. a gripper holding an object (O), wherein a safety factor is calculated , indicating safety of a state of the holding part (200) holding the object (O), in particular how safe the object (O) is held, e.g. small contact area and/or grip friction, and wherein the object (O) is held and moved according to the calculated safety factor, e.g. in high or low speed motion.