The Jigaro QR low-density body with Z Light Metal in 2018 joins the family.The center weight balance body, which pursues balance of flying distance and Jigaro action, demonstrates the action response of the highest peak in the series to rod work.By intentionally dropping the sink rate, we realize a slow fall that does not seem like a metal body.A small downward force means that all input power can be converted into an upward or lateral action.A jig that allows you to switch on a low activity target and keep the jig in view.It proposes new tactics to the world of shore jigging and jigging.