Tether mechanism for an airbag module

An arrestor strap mechanism for at least one airbag module having at least one airbag, comprising:

• at least a first arrestor strap arrangement, wherein the first arrestor strap arrangement is attachable to an airbag;
• at least a second arrestor strap arrangement, wherein the second arrestor strap arrangement is attachable to the airbag;
• and,
• a tensioner device for the arrestor strap arrangements, wherein the tensioner device comprises a tensioner drive,
• wherein:
• one end of the first arrestor strap arrangement and one end of the second arrestor strap arrangement are attached to the tensioner device, wherein at least one arrestor strap arrangement is deflected by the tensioner device by means of at least one deflection element;
• and,
• by triggering the tensioner drive of the tensioner device, a segment of the first arrestor strap arrangement that is attachable to the airbag can be moved by a first travel distance, and a segment of the second arrestor strap arrangement that is attachable to the airbag can be moved by a second travel distance, wherein the first travel distance and the second travel distance are different.