What does the law on the knuckle-duster say ?

September 2025 , tha law changes, cassifiyng now the 4 holes knuckles in category A-1, prohibited weapons

As part of the D-2 category, the knuckle-duster 1 or 2 holes remains on sale for people over 18 years of age.

Just as the defence sprays and the shocker taser, it is forbidden to carry it and transport it without legitimate reason. In some countries such as Switzerland, Canada or Belgium, it is classified as a prohibited weapon.