Holy jeebus that would be sweet!! I've already got my eye on a few potential purchases if that were to happen.We might get autos soon too!
Here ya go, https://www.indianagunowners.com/forums/the_cutting_edge/45001-indiana_knife_law_faq.html
...I know that throwing stars are...
...This does mention throwing knives but it seems up in the air to me;
IC 35-47-5-12
...
(b) As used in this section, "Chinese throwing star" means a throwing-knife, throwing-iron, or other knife-like weapon with blades set at different angles .
As added by P.L.318-1985, SEC.2.