Due to tabloid paper hysteria and sinister portrails in 1950s hollywood movies, several highly functional tools were banned from sale and import.
Switchblades (flick knives) are folding knives simply designed to be opened with one hand at the push of a button, leaving the other free. Historically these knives were marketed for fisherman working on rough seas, or ladies so as not to break a finger nail when opening a manual folding knife.
Gravity knives were notoriously designed for parachuters to be able to quickly cut themselves free and avoid dangers associated with landing on a fixed blade knife. These were placed in the same Act.
Repeal the following:
The Restriction of Offensive Weapons Act 1959
The Criminal Justice Act 1988 (Offensive Weapons) Order 1988
Why is this idea important?
The way in which a folding knife opens does not effect it's lethality if chosen to be used as a weapon. Murderers have their knives drawn long before they use them. These laws simply effect those working in a number of professions, as well as collectors.
The Acts have been long obsolite, as nearly all modern folding knives can be opened just as quickly, yet this anomaly remains.