def del_pipers(self, pipers, *args, **kwargs):
pipers.reverse()<EOL>for piper in pipers:<EOL><INDENT>self.del_piper(piper, *args, **kwargs)<EOL><DEDENT>
Deletes a sequence of ``Pipers`` instances from the ``Dagger`` in the
reverse of the specified order. Takes optional arguments for 
``Dagger.del_piper``.

Arguments:

  - pipers (sequence of valid ``del_piper`` arguments) Sequence of 
    ``Pipers`` or valid ``Dagger.del_piper`` arguments to be removed 
    from the ``Dagger`` in the right to left order.