Differed from last generation OCS which is designed pull and play, Steamoke upgrade to rotatinng counterclockwise 60°and press down. By that, we reduced margin error to 0.5%, not previous 5%. Oil colid seperation(OCS) prevents from leaking 100% while maintaining freshness of the e-liquid until the very last puff, then before using the disposable pod, OCS avoids any chemical reaction between the oil and the coil, thus maintaining the freshness of the e-liquid.