To secure the various parts often used connection, using the so-called lock nuts. However, you can do without it. For this it is necessary to saw through the nut, as shown, and tightening it slightly to hit with a hammer.
Recommend to read
THE “SECRET” ENTRANCE HALL
Behind the scenes of the hanger, if you make it movable, might be available in your hallway, a closet or even a pantry. Such "double" the solution to a home wardrobe combined...
ON THE BICYCLE FROM THE CAR
Automotive pump, of course, performance bike, but they (if the pump is to the old bike) unequal valves, which eliminates the possibility of replacement. Small adapter to motor valve will...
