Also, when not seated, stabbing your attacker with a pen at night can result in them thinking they have been stabbed with a blade or shank and running off.
Twerps, Goons and Meatshields: The Basics of Full Contact Stick-Fighting
link › jameslafond.blogspot.com
The "mini-Maglite" flashlight which uses 2 A batteries is exactly the size of the wooden stick you are demonstrating. $8.
They are very robust and even the government recommends flashlights in cars.
Just when you think the pen is mightier than the sword:
youtube.com/watch?v=-U-hwrMIyw8
The only lesson I guess is that any defensive blow must be effective enough to delay or stop the second and successive ones.