Inside Bars are usually looked for just like any other PA formation i.e, Location, PPZs , swing High/Low, with the trend and other supporting cast of confluences.
With these double barrel IBs, Price tends to be sqeezed tighter and tighter until strong breakout ocurrs. Managed carefully ( meaning quick to break even trade, etc.,) they can prove to be quite successful.
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Indicators show the past. Price Action "Indicates" the future.