Apparently now, you can make a highly dangerous weapon using newspapers. They call it the Millwall Brick:
Read more on Wikipedia
Newspapers were rolled up tightly to form the so-called Millwall Brick and another trick was to make a knuckleduster out of pennies held in place by a wrapped around paper. You could hardly be pulled up for having a bit of loose change in your pocket and a Daily Mirror under your arm.
And here are more innocuous everyday items that are potentially life-threatening in the wrong hands:
- Clothing accessories (belts or scarves for choking, walking sticks, umbrellas, finger rings (used as knuckle-dusters), steel-toed boots, chain-wallets, spike bands. shoe laces and belts can also be used as an improvised whip, a common form of domestic abuse, unlikely, but not impossible, that one would have enough time to remove it in an actual fight)
- Musical instruments (cymbals, drum sticks, piano wires (for strangulation), guitars or any stringed instrument with a long neck)
- Cleaning and janitorial equipment (broom/mop sticks, plunger handles, dust pans, squeegees, long thick handled brushes, litter sticks