What is a pneumatic indexer

Hi guys, l know what pneumatics is (compressed air) but l don’t know what an indexer is and how they work when they are put together. Anyone care to xplain?

Well, if you put “pneumatic indexer” in the search bar of the forum, you see a number of threads to help explain. Specifically, the term came about for this season from the Mankato reveal, found here: Spin Up Ri24Hr - MARC

The system uses an air cylinder to feed disks into the launcher, thus a “pneumatic indexer”