Explanation of Wyckoff VSA Trigger Bar and Future Reaction

In this short video, Author of "Trading in the Shadow of the Smart Money" explains the importance of identifying "Trigger Numbers and Bars" in multiple timeframes.
Markets and price action move because three universal laws:
Supply and Demand
Cause and Effect
Effort Vs Reasult
This example in the Nasdaq futures shows it perfectly.
Wishing You all goodtrading and constant profits,
Gavin D Holmes
Author and Trader