The goal of the soft technique is deflecting the attacker’s force to his or her disadvantage, with the defender exerting minimal force and requiring minimal strength. With a soft technique, the defender uses the attacker's force and momentum against him or her, by leading the attack(er) in a direction to where the defender will be advantageously positioned (tai sabaki) and the attacker off balance; a seamless movement then effects the appropriate soft technique. In some styles of martial art like Wing Chun, a series of progressively difficult, two-student training drills, such as pushing hands or sticky hands, teach to exercise the soft-technique(s); hence: