13 lines (9 with data), 346 Bytes

  // Exclude the shoulder rythm, since the drivers handles all DOFs.
  
  AnyMechObjectExcluder ExcludeShoulderRhythm = 
  {
     Objects = arrcat(
        &.JointsSideCal.ClaviculaProtractionDriver,
        &.JointsSideCal.ClaviculaElevationDriver,
        ObjSearch(".JointsSideCal.ClaviculaAxialRotationDriver")
     );
  };