Watch the Barring online guitar lesson by Chris Buono from 60 Electric Guitar Techniques You MUST Know
To barre is to fret two or more strings on the same fret with the same finger. Barring is a big step for beginners as it a sign your fret hand fingers are building strength and stamina. More importantly, it ushers in a whole new set of possibilities – barre chords! Your first finger will do most of the heavy lifting when it comes to barring. Keep in mind it's not required to be done with a flat finger. Conversely, it should lean back towards the headstock. All in all, while not glamorous, barring is a hugely important technique.