Why is it that there is a single bracket at one time and there are brackets on both sides at the other time, which can be removed?

The front cover plate is not close to the center of the circle because it is a rotating shape, and the distance is very close, which makes it difficult to get out of the mold.

What is the big cylinder in the back?

GOOD JOB

simple and beautiful

nice style

Great!

fashionable