It is known that over time a regular door and other hinges start to creak, and lubricate them from the inside is not so simple: sometimes you have to remove them, which is not always possible.
However, once you drill into the top level loop through hole to the axis, and lubrication is simplified, and the result is excellent: the loop will stop squeaking for a long time.
Recommend to read
SEALANT? PREPARE YOURSELF
In practice household has long been used sealing paste, called "Mendeleev putty": it is usually sealed joints frame and the glass walls of aquariums. This sealant around the plastic at a...
IN THE CAMPAIGN FOR THE “UNIVERSAL”
While the British Admiralty systematically extinguished the enthusiasm of its inventors-"submariners" in former British overseas colonies, and now the most economically powerful nation...