Continuing with the basic guitar chords series let’s take a look at the A# (sharp) / Bb (flat) chord.
Here’s the basic form:
A quick video to help you master this A# (sharp) / Bb (flat) chord:
And 5 other variations of the A# (sharp) / Bb (flat) chord:
That’s all there is to it. Have fun 
(Images by http://www.all-guitar-chords.com/)