Abstract: Device (1) for winding up and storing a belt-like object, in particular a tightening strap (2), comprising a winding core (3) and a drum (4) which forms a receiving space (5) for the wound belt-like object wherein the drum (4) is provided with a first opening (6a) for passage of the winding core (3) and wherein the drum (4) is also provided with a second opening (6b) for passage of the belt-like object and wherein the drum (4) is also provided with a third opening (6c) for transverse passage of the belt-like object, the third opening (6c) connecting to the first opening (6a) and also to the second opening (6b).