Itẹsiwaju Ẹsẹ Alien Series / Curl ẹsẹ jẹ ẹrọ iṣẹ-meji.Ti a ṣe apẹrẹ pẹlu paadi ti o rọrun ati paadi kokosẹ, o le ni rọọrun ṣatunṣe lati ipo ijoko.Ijoko ati ẹhin paadi ti jẹ iṣapeye ergonomically fun atilẹyin to dara julọ ati itunu.Ati paadi shin, ti o wa ni isalẹ orokun, ti ṣe apẹrẹ lati ṣe iranlọwọ fun ẹsẹ ẹsẹ, nitorinaa ṣe iranlọwọ fun awọn olumulo lati wa ipo ikẹkọ to tọ fun awọn adaṣe oriṣiriṣi.
