This USB gadget is great for shredding post-it notes. After you finished a task you can get pleasure by leaning back and shred the post-it note the task had been written down on.

Also a satisfying experience should to shred a business card from a potential customer who bought at another company after being a pain for months.
The USB shredder has a throat size of 123mm. A Din A6 paper fits. An A4-sized paper you need to fold first. On the side of the mini paper shredder is also a letter opener.
USB Geek will ship the USB shredder starting mid-July for $32.00.