Knife crime is class as have and cementing a crime with it like assault or burgling. Also having a knife on you classes as knife crime as well. Some of the rules about knifes are: it illegal to buy and sell a knife to an under 18, an adult sentient for passion of a knife is 4 year and a fine of £5000, knifes with sliding blades are not illegal if the blade is under 3 inches and caring a Sharp object is class as a knife. There is a list of illegal knifes in the UK are flick knifes, butterfly knifes, disguised knifes, gravity knife, swords, samurai swords, hand- claws, foot- claws, belt- buckle knifes, push daggers, kubotan, shuriken, kusair- gama, kyoketsu- shoge and kusair.
