Does the UK ban shows like Forged in Fire that teach you how to make all sorts of specific blades?
However, in practice the police continually take and often destroy legally owned antiques claiming they are zombie swords.
The law is written in such a way the police can take anything and you have to prove to a judge they aren't illegal.
One very large example of such police practices: https://m.youtube.com/watch?v=RPm4Pts23Qg