This video contains beach volleyball coaching tips for blocking shots plus a 2 ball defense drill with a block and a dig with Brazilian Coach Pedro Brazao.
 
This video is extremely insightful as Pedro discusses a common mistake players make when trying to block shots in beach volleyball. His answer is on point and easy to understand.
 
Additionally this video contains more of the 2 Ball Beach Volleyball Defense Drill, but now from the other side. Again the video offers great verbal cues as well as powerful insights on how top coaches run pro players through a beach volleyball practice. Again the drill is game like and high rep.