Unlike strict alternate picking (Down-Up-Down-Up), Gambale’s method uses a whenever moving to an adjacent string:
If you finish on an upstroke and move to a lower string, you continue with an Upstroke . Key Mechanics Unlike strict alternate picking (Down-Up-Down-Up)
Gambale designed his system around specific scale fingerings. Playing three notes on one string (Down-Up-Down) sets your pick up perfectly to "sweep" into the next string with another Downstroke. Unlike strict alternate picking (Down-Up-Down-Up)