also involves the searing of soy sauce or other liquids around the lip in the wok, which caramelizes and imparts supplemental smoky flavor.​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​�