You can, of course, brush them, however this will not last long. More radical means of plastic washer embedded between the half-loops.
There is another way to get rid of the squeak. You need to shorten rod one half loop and put the loop inside a steel bearing ball.
Recommend to read
AND AGAIN THE TRACK!
Today, when in any toy store you can always find a not too expensive radio-controlled models of cars, their availability would have to completely replace trace model. However, practice...
FROM ONE – BEDROOM!
Everyone would like to improve their living conditions. But for many, it unfortunately remains a distant dream. However, if you use a non-traditional solution, suggested by the Bulgarian...
