ManyToMany with related_name?

[Dave St.Germain]

I'm trying to create a model that relates back to itself with a ManyToManyField.  Here's my model:
class PressRun(models.Model):
    starttime = models.DateTimeField(db_index=True)
    endtime = models.DateTimeField (validator_list=[endAfterStartValidator])
    name = models.CharField(maxlength=100,blank=True)
    recurringitem = models.ForeignKey(RecurringPressRun,blank=True,null=True)
    edition = models.IntegerField(choices=EDITION_CHOICES,blank=True,null=True)
    press_id = models.IntegerField(choices=PRESS_CHOICES,blank=True,default=1)
    insert_into = models.ManyToManyField('self',
                  null=True,
                  blank=True,
                  related_name='insert')

The problem is that the model doesn't seem to use the related_name option.  PressRun objects have an insert_into property, but no insert property.  I'm actually trying to say that the result of a PressRun can be "inserted" into another PressRun, but I don't want to make a separate object (like PressRunInsert or something).  I'd like to use a simple ManyToMany, but the objects don't have a distinction between "inserted into" and "insert of". 

Does that make sense?

Dave


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