Dexterity Delay
A Rooted Mirage is a Mirage where your catch the footbag with a planted stalling foot.
Demonstration of Mirage.
Start with a controlled toe set that gives you enough height and time to complete the dexterity.
Let the opposite leg perform the in-to-out dexterity while keeping your set foot ready for the stall.
Place your foot on the ground under the footbag as it makes contact.