C191 Janisong

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The C191 Janisong was designed by Michael Janich and introduced in 2016. The Janisong is a restricted knife design that shares some design principles with the traditional filipino Balisong knife, but taken in a completely new direction.

Appearance in catalogs

The C191 Janisong appeared in the following catalogs:


Michael Janich

History, mentionings etc. from the forums

Information from the Spyderco catalog on the web

12-19-2019) The Spyderco C191 Janisong is not currently featured on www.spyderco.com. This description is taken from the 2019 Spyderco Product Guide:

The Janisong is a one-of-a-kind folding knife that elevates the spirit of the traditional Filipino balisong to a practical, yet dramatic modern cutting tool. The brainchild of knife designer Michael Janich, its patented mechanism consists of an outer handle, an inner handle, and a full-flat-ground CPM S30V stainless steel blade, all joined by a single pivot pin. Rotating the inner handle 360 degrees reveals the blade and locks it securely in the open position. An ambidextrous sliding latch mechanism reinforces the blade lock when open and also secures the blade and handles in the closed position for safe carry. With practice, the JaniSong can be opened extremely quickly with a variety of techniques, but because its outer handle is its “safe” handle, it is inherently safer than a conventional balisong. For ease of carry, it comes complete with a deep-pocket four-position clip." [1]


The C191 Janisong is made in Taichung, Taiwan and has a unique opening system that shares some similarities with the traditional Filipino Balisong.

SKU Handle Edge Steel From/To MSRP Note Number made Grind Clip Clip positions Collectors club
C191GP Black G-10 PE CPM-S30V 2016- N/A Flat Black 2-screw deep carry hourglass clip LH/RH, TU Main

Most collectible variation

Considering the Janisong's restricted status, and the fact that is only sold outside the United States, any mint condition C191 with its original packaging would be considered a very collectible knife.

Questions regarding collecting the C191

Some interesting questions we are looking for an answer to:

Questions with an answer:

Technical information

Measurements (mm and grams) of the C191 Janisong:

Variation Length overall Length closed Length blade Length edge Hole Ø Blade thickness Weight
C191GP 209mm 126mm 83mm 80mm 6mm 3mm 156g

Measurements (inches and ounces) of the C191 Janisong:

Variation Length overall Length closed Length blade Length edge Hole Ø Blade thickness Weight
C191GP 8.24" 4.96" 3.28" 3.13" 0.24" 0.118" 5.5oz


  1. The C161 Janisong in printed 2019 Product Guide


The C191 Janisong, opened and closed.
The C191 Janisong in motion.

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