The outer cylinder (or the inner cylinder) is sleeved on the inner cylinder (or the outer cylinder).

The cylinder forms an inner space within the cylinder.

The outer cylinder (31) encloses the inner cylinder (33).

The cylinder device has a cylinder and a cylinder rod inserted into the cylinder.

The roller (1) and the counter roller (2) each have a roller core and a roller cover (7, 8) surrounding the roller core.

The cylinder has a cylinder body (20) and a cylinder rod (40) inserted into the cylinder body (20).

The front roller is preferably driven by the rear roller.

The outer cylinder (40) slidingly fits over the inner cylinder (20).

A workpiece fed between the cutter roll (7) and the anvil roll (6) is worked by the rotating cutter roll (5) and/or anvil roll (6).

The inner cylinder may be removable from the outer cylinder.

The pressing member (5) presses the roller (3b) into the roller (3a).

The inner cylinder (or the outer cylinder) is fixed onto the base.

The inner barrel (or the outer barrel) is fixed on the base.

The cylinder has a clamp for clamping hair to the cylinder.

According to a preferred embodiment the transport cylinder encloses the drive cylinder and the drive cylinder forms the piston of the transport cylinder.