There have been many questions about the functionality of SlingShock Drivers and this should answer that:
The Drivers shown are the SlingShock versions of Needle and Fusion, respectively. It is pretty clear how the modes for these switch from the standard tip mode to *Giga Hole Flat. This is pretty much the case for every SlingShock Driver. Some of the Drivers, such as Flugel-S, use a small lever to make the tip retract and reveal Giga Hole Flat. Some drivers have a latch/bar in the centre which can also make the tip retract when pushed to one side.
Also, I have a diagram which explains how the stadium works:
The stadium has two rails which each encase a 'speed cradle'; it's an indent in the stadium which is intended to be launched in, probably to make an Attack type pick up speed. I find it pretty flawed since something like Caynox C3.7.Bearing can be launched there and stay in the same area for the entire match without being touched. Back onto the topic of the rail system: I am impressed with how Hasbro handled this as it seems like it would actually work. On the top and bottom left of the stadium are pockets, which seem to be the size of the ones from the Chaos Core BeyStadium and Star Storm BeyStadium, so KOs seem useless yet again
*Just to clarify, I say Giga Hole Flat because of the concept. The size seems smaller than Giga Flat, but I just want to give a bit more visual, haha.