Focus on getting around the outside of the ball with an attacking slice, using a higher contact point for a faster bounce, aiming for the side vents.
This is a nice look at the vibora shot. The coach breaks down the technique in slow motion which can be really helpful for seeing the details. They explain how to generate the spin and why it's effective when hit from a certain position. It gives you some clear points to focus on if you're looking to add this shot to your game.
