2C20.75 - Bernoulli Pen Barrel

Bernoulli pen barrel


PIRA Classification: 2C20.75

Description: The hollow barrel of a pen is placed on the lecture bench. The barrel is pinched against the table with the thumbs. When the barrel snaps out from under your thumbs, it leaves the table and follows a loop-the-loop path.

Special Instructions: This is tough. PRACTICE.

Condition: Ok

Setup time: 1 minute

Safety Issues: None