War Razor

To all appearances, a war razor is an oversized razor or flip knife. As the razor folds into the handle, no sheath is required, making the weapon easy to hide.

Source: Pathfinder d20pfsrd.com

Weapon Groups light blades

You gain a +2 bonus on Sleight of Hand checks made to conceal the weapon on your body.

Light Melee Weapons (Martial)
Weapon	Cost	Dmg (S)	Dmg (M)	Critical	Range Increment	Weight	Type	Special
War Razor	8 gp	1d3	1d4	19-20/x2	— –	1 lb.	Slashing	— –

Section 15: Copyright Notice

Pathfinder Campaign Setting: The Inner Sea World Guide. © 2011, Paizo Publishing, LLC; Authors: Keith Baker, Wolfgang Baur, Clinton J. Boomer, Jason Bulmahn, Joshua J. Frost, Ed Greenwood, Stephen S. Greer, Jeff Grubb, James Jacobs, Michael Kortes, Tito Leati, Mike McArtor, Rob McCreary, Erik Mona, Jason Eric Nelson, Jeff Quick, Sean K Reynolds, F. Wesley Schneider, Leandra Christine Schneider, David Schwartz, Amber E. Scott, Stan!, Owen K.C. Stephens, Todd Stewart, James L. Sutter, Greg A. Vaughan, Jeremy Walker, and JD Wiker.