Quoted from J85M:Inner loop, you have to plunge so the ball just makes it up to the top lane but doesn’t pass through the one way gate into the pops, it will then roll back down the inner loop and reward you with a clip of vision and secret skill shot award.
Super skill shot is a soft plunge and shot into the tower.
The secret skill shot is a great shot because it gives you a portal lock so when you go battle for a gem, you have a multi ball to help you. Hard shot to hit, but very rewarding. If you get a portal lock, I think going after the mind gem or the yellow one (can't remember but its DR strange) are the best ones for Multi ball. There are tons of shots in those modes.