Essentially, watch for a the 8 to be greater than the 21 , and all the EMA's to be spread apart. Then get your trigger bar from a retracement from the 8 bar . Stop on the lowest low of the past 5 bars, or on 8 crossunder 21.
This is intended to only be used on a 1h chart.
This was made for a friend.
Disclaimer: Please do your own research before making any decisions financially. I am not your financial advisor.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.