Hong Kong
Under the Weapons Ordinance (HK Laws. Chap 217), certain knives are designated as 'prohibited weapons', including:
- Gravity knife
- Knuckleduster whether spiked or not and with or without blade
- Any bladed or pointed weapon designed to be used in a fashion whereby the handle is held in a clenched fist and the blade or point protrudes between the fingers of the fist
- Any knife the blade of which is exposed by a spring or other mechanical or electric device
Possession of prohibited weapon is illegal under section 4 of the ordinance and offender is liable to a fine of and to imprisonment for 3 years. Any Police officers or Customs officers can seize and detain any prohibited weapon. Once convicted, the weapon is automatically forfeited to the government and can then be disposed of by the Commissioner of Police.
Read more about this topic: Knife Legislation