The gif above says it all. Crank away sensitive documents AND pent-up anxiety, feeling the tiny teeth take nibble after nibble with barely a sound. This is Japanese so accepts A4 paper, which is smaller than 8.5"x11", meaning American documents will need to be folded before their demise. We ran two folded sheets through at once without any problem. Do not shred the items noted below.
Yuento Manual Shredder
Available at Core77's Hand-Eye Supply