Dagger

You get a +2 bonus on Sleight of Hand checks made to conceal a dagger on your body.

Light Melee Weapons (Simple)
Weapon	Cost	Damage (S)	Damage (M)	Critical	Range Increment	Weight	Type	Special
Dagger	2 gp	1d3	1d4	19-20/×2	10 ft.	1 lb	Piercing or slashing	–

Book of Vile Darkness 3.5 By Monte Cook

Any weapon could be used as a device of torture, though traditional weapons do their jobs too well the risk of killing the victim too quickly becomes a concern. If a dagger is used as a torture device, each use deals 2d4 points of damage and allows one Intimidate check.

Torture Devices
Device	Circumstance Bonus	Escape DC	Damage	Cost	Weight
Dagger	+4	–	2d4	2 gp	1 lb.