Brus silently stands at the lecture table and blows up a large brown paper bag. Holding the end tightly to prevent his breath escaping, Brus lays the bag on the table and suddenly brings his head crashing down, exploding the bag and smashing it.

Brus silently stands at the lecture table and blows up a large brown paper bag. Holding the end tightly to prevent his breath escaping, Brus lays the bag on the table and suddenly brings his head crashing down, exploding the bag and smashing it.Brus silently stands at the lecture table and blows up a large brown paper bag. Holding the end tightly to prevent his breath escaping, Brus lays the bag on the table and suddenly brings his head crashing down, exploding the bag and smashing it.

Brus silently stands at the lecture table and blows up a large brown paper bag. Holding the end tightly to prevent his breath escaping, Brus lays the bag on the table and suddenly brings his head crashing down, exploding the bag and smashing it.