Body Flip and called shot

[Axelmania]

If you were doing a Body Flip against a zombie, would you allow a called shot to be made (like you can do with punches) so that the zombie lands on his head instead of his main body? I figure you'd still require the 17+ of course.

A version of Body Flip in Ninjas and Superspies allows you to throw your target into another enemy instead of the ground. Both take damage and lose attack/initiative.

Would it make sense to allow a called shot against both, possibly knocking their skulls together? I figure you would roll once on the one you are flipping and make a 2nd attacker roll separately against the new target.