Under Section 33 of the Public Order Ordinance (Cap. 245), any person who, without lawful authority or reasonable excuse, has with him in any public place any offensive weapon shall be guilty of an offence and shall be liable to imprisonment for up to 3 years.

Under Section 17 of the Summary Offences Ordinance (Cap. 228), any person who has in his possession any wrist restraint or other instrument or article manufactured for the purpose of physically restraining a person, any handcuffs or thumb cuffs, any offensive weapon, or any crowbar, picklock, skeleton-key or other instrument fit for unlawful purposes, with intent to use the same for any unlawful purpose, shall be liable to a fine of $5,000 or to imprisonment for 2 years.

“offensive weapon” means any article made, or adapted for use, for causing injury to the person, or intended by the person having it in his possession or under his control for such use by him or by some other person.