What are we defining as a kickback? Are you talking about the machine relaunching the ball if you lose it quickly (like JP does after a lost ball from a raptor shot,) or the literal "ball launcher turned into a toy on the playfield" like the JP raptor kick or LAH ripper, or the left outlane ball save where it shoots the ball back into play when lit, like on NGG, Stargate, Frankenstein, etc?