It was discovered during a number a searches on Thursday night.
Officers and student officers attended a number of incidents, including 3 domestic ones.
Knuckle dusters are banned from being imported, made or sold in the UK.
It is also a crime to carry such a weapon in a public place.
Dartmoor visitor centre gets one last reprieve
But it will close in October unless cash can be found
Cornwall is key to Torbay's role in Devon devolution
'The two counties are natural partners'
Devon and Cornwall should combine under mayor, says Exeter MP
Steve Race supports city's unitary bid too
Plymouth supports South West Peninsula authority
Counties will get more working together, its claimed
Devon votes in favour of postponing May’s elections
Claims of democracy ‘denied’
