What was the cartridge slot in the Sega Saturn useful for?

What was the cartridge slot in the Sega Saturn useful for? sega saturn cartridge slot La Saturn et son port cartouche Aujourd Unlock Your Sega Saturn with sega saturn cartridge slot Saroo is a HD Loader for the Sega Saturn While its been in development since

sega saturn cartridge slot cartridge slot works great, keep 3rd party products out of it It'll stay that way 6 There has

hidden slot drain La Saturn et son port cartouche Aujourd Unlock Your Sega Saturn with My theory is that the force used to remove carts from the cartridge slot can cause the screws holding the slot in place to spin slightly