One acquires Movable Items along with "Bound Property", if he acquires the "Bound Property" with Money, a Bill, or by Physically Taking hold of the Property: Gittin 22a; Kiddushin 7a, 26a; Bava Kama 12a-b
Using a Bill to acquire a Eved Kenaani: Kiddushin 22b; Bechorot 13a