Weapon Modifications (CNH)

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Ninja often pay to have normal weapons modified for special uses, or ordinary items modified to include weapons. The cost of such modifications is applied to the weapon being modified. (See Table 27.)
 Table 27: Weapon Modifications
Modification 	Cost (gp)	WeightAdded
Chain in compartment	5 gp 	3 lbs.
Pop-out knife blade 	20 gp 	lb.
Pop-out spear head 	30 gp 	2 lbs.
Secret compartment 	3 gp 	0 lbs.
These modifications can be detected with the same chance any character has to detect a secret door, but only when a character is actively looking for changes in the standard item.
==Chain in compartment==
Chain in compartment: With this modification, part of the weapon is hollowed out and a manriki-gusari installed in the compartment. When the weapon bearer pulls off the compartment's cap, the chain spills out, remaining attached at one end to the weapon, with the cap acting as the chain weight. The weapon may then be used in its normal fashion or as a manriki-gusari (except that it cannot be thrown).
To accommodate a manriki-gusari compartment, the weapon or item must be at least equal to a spear in thickness and must have about 2 feet of length available to be hollowed and reinforced.
(A dagger is too short to be equipped with a manriki-gusari compartment.)
Commonly, staff and stick weapons receive this modification, but other gear is suitable for chain compartments: the forearm portion of a set of kote, the area behind the grip of a buckler, a false book, etc.
==Pop-out knife blade==
Pop-out knife blade: With this modification, the wielder of the weapon can press a secret switch and pop out a spring-loaded knife blade. The blade has characteristics identical to the common knife (Type P/S, Speed Factor 2, Damage 1d3 vs. S-M and 1d2 vs. L).
To accommodate a pop-out knife blade, the weapon or item must be at least equal to a knife hilt in thickness and must have about 6 inches of length available to be hollowed and reinforced.
Normal daggers do have enough room for this modification.
The spring doesn't pop the blade out with enough force to make its emergence an attack; the blade must lock into place before it can be used. But for twice the cost listed, the blade can pop out with enough force to act as an attack.
==Pop-out spear head==
Pop-out spear head: This modification is identical to the pop-out knife blade, except the weapon emerging is a narrow spear head, with characteristics identical to the normal spear (Type P, Speed Factor 6, Damage 1d6 vs. S-M, 1d8 vs. L).
To accommodate a pop-out spear head, the weapon or item must be at least equal to a spear haft in thickness and must have about 18 inches of length available to be hollowed and reinforced. Many sticks, staves, and batons can be modified in this way.
The hidden blade does not pop out with enough force to make its emergence an attack; it must lock into place before it can be used. But for twice the cost listed, the spear head can be modified to pop into place with enough force to act as an attack.
==Secret compartment==
Secret compartment: This modification creates a secret compartment within the object being modified.
The standard secret compartment modification requires that the weapon or item have an area at least equal to a spear in thickness and about 2 feet of length available to be hollowed and reinforced. This provides a secret compartment large enough to hold about 3 lbs. of small weapons, scrolls, or other small items.
It is possible to create smaller or larger compartments as well. A knife hilt could hold about half a pound of gear, for instance. Smaller compartments cost the same as standard compartments because of the difficulty of working in smaller areas.
Larger areas hold more gear. For every additional 3 lbs. of gear the compartment is to hold, the modification costs +100% of the original cost.