As far as a trading pattern goes, it's performance is rather conservative, and it is rather noisy as it doesn't do a good job of preventing quick, meaningless trades.
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.