what self defence items are legal in uk?
['Axe.', 'Bow.', 'Crossbow.', 'Catapult.', 'Machete or Bill Hook.', 'Pocket knife (UK legal)', 'Fixed blade knife - any length blade - Survival knife Hunting knife skinning knife etc.', 'Multi function tool that includes a knife - Swiss Army Knife - Utility Tool Knife.']