Using a strip of cloth, it is possible to screw the screw in any, even remote place.
Recommend to read
HARPOON — A WEAPON OF THE SUBMARINE
From the well-known harpoon tips to guns FOR UNDERWATER hunting this differs hydrodynamic pressure of the shank of the striker to the body of the tip. The pressure is created because the...
COLLAPSIBLE CART
To carry different loads offer a lightweight collapsible cart, for the manufacture of which would require a small number of parts. This homemade contraption of frames and the rear wheels...