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Higonokami knives

A higonokami (肥後守?) is a type of folding pocket knife originating in Miki, Hyōgo Prefecture, Japan in 1896. The knife has no locking system, but is a friction folder or "penny knife",[1] using the friction of the swivel or the pressure of the user's thumb on a protruding tang to prevent the knife from folding during use.


  1. ^ Steve Shackleford (5 January 2010). Blade's Guide to Knives & Their Values. Krause Publications. pp. 289–. ISBN 978-1-4402-0387-9. Retrieved 26 June 2012.