Knuckles, baton and club laws in California

[Cal. Penal Code § 22410] Except as provided in Chapter 1 (commencing with Section 17700) of Division 2 of Title 2, any person in this state who manufactures or causes to be manufactured, imports into the state, keeps for sale, or offers or exposes for sale, or who gives, lends, or possesses any shuriken is punishable by imprisonment in a county jail not exceeding one year or imprisonment pursuant to subdivision (h) of Section 1170.
(Amended by Stats. 2012, Ch. 43, Sec. 98.   (SB 1023)   Effective June 27, 2012.)

[Cal. Penal Code § 17200] As used in this part, a “shuriken” means any instrument, without handles, consisting of a metal plate having three or more radiating points with one or more sharp edges and designed in the shape of a polygon, trefoil, cross, star, diamond, or other geometric shape, for use as a weapon for throwing.
(Added by Stats. 2010, Ch. 711, Sec. 6.   (SB 1080)   Effective January 1, 2011.   Operative January 1, 2012, by Sec. 10 of Ch. 711.)

[Cal. Penal Code § 21810] Except as provided in Chapter 1 (commencing with Section 17700) of Division 2 of Title 2, any person in this state who manufactures or causes to be manufactured, imports into the state, keeps for sale, or offers or exposes for sale, or who gives, lends, or possesses any metal knuckles is punishable by imprisonment in a county jail not exceeding one year or imprisonment pursuant to subdivision (h) of Section 1170.
(Amended by Stats. 2012, Ch. 43, Sec. 95.   (SB 1023)   Effective June 27, 2012.)

[Cal. Penal Code § 16920] As used in this part, “metal knuckles” means any device or instrument made wholly or partially of metal that is worn for purposes of offense or defense in or on the hand and that either protects the wearer’s hand while striking a blow or increases the force of impact from the blow or injury to the individual receiving the blow. The metal contained in the device may help support the hand or fist, provide a shield to protect it, or consist of projections or studs which would contact the individual receiving a blow.
(Added by Stats. 2010, Ch. 711, Sec. 6.   (SB 1080)   Effective January 1, 2011.   Operative January 1, 2012, by Sec. 10 of Ch. 711.)

[Cal. Penal Code § 21710] Any person in this state who possesses, commercially manufactures or causes to be commercially manufactured, or who knowingly imports into the state for commercial sale, keeps for commercial sale, or offers or exposes for commercial sale, any composite knuckles or hard wooden knuckles is guilty of a misdemeanor.
(Added by Stats. 2010, Ch. 711, Sec. 6.   (SB 1080)   Effective January 1, 2011.   Operative January 1, 2012, by Sec. 10 of Ch. 711.)

[Cal. Penal Code § 16405] As used in this part, “composite knuckles” means any device or instrument made wholly or partially of composite materials, other than a medically prescribed prosthetic, that is not metal knuckles, that is worn for purposes of offense or defense in or on the hand, and that either protects the wearer’s hand while striking a blow or increases the force of impact from the blow or injury to the individual receiving the blow.
(Added by Stats. 2010, Ch. 711, Sec. 6.   (SB 1080)   Effective January 1, 2011.   Operative January 1, 2012, by Sec. 10 of Ch. 711.)

[Cal. Penal Code § 16680] As used in this part, “hard wooden knuckles” means any device or instrument made wholly or partially of wood or paper products that is not metal knuckles, that is worn for purposes of offense or defense in or on the hand, and that either protects the wearer’s hand while striking a blow, or increases the force of impact from the blow or injury to the individual receiving the blow. The composite materials, wood, or paper products contained in the device may help support the hand or fist, provide a shield to protect it, or consist of projections or studs that would contact the individual receiving a blow.
(Added by Stats. 2010, Ch. 711, Sec. 6.   (SB 1080)   Effective January 1, 2011.   Operative January 1, 2012, by Sec. 10 of Ch. 711.)

Except as provided in Section 22215 and Chapter 1 (commencing with Section 17700) of Division 2 of Title 2, any person in this state who manufactures or causes to be manufactured, imports into the state, keeps for sale, or offers or exposes for sale, or who gives, lends, or possesses any leaded cane, or any instrument or weapon of the kind commonly known as a billy, blackjack, sandbag, sandclub, sap, or slungshot, is punishable by imprisonment in a county jail not exceeding one year or imprisonment pursuant to subdivision (h) of Section 1170.