Photography, how to train to improve the stability of hands

My usual technique is to concentrate all my attention, the camera should be attached to my forehead, and my elbow should be tightly clamped to my body. Don't use your fingers too hard, but hold the camera (left hand) and (right hand) with your palm. Hold your breath when you press the shutter and move gently. At the same time, relax the muscles on your arms and breathe evenly.

In addition, tripod, mirror pre-lift, remote control, low ISO, good lens, F8 small aperture, RAW and continuous shooting are all feasible methods. In fact, I think it is more useful to carry a tripod or a monopod with you than to practice iron hands. Not only is it not shameful, it also looks professional, but it is a bit troublesome to carry.