How to reverse the lens

When it is reversed, it is usually reversed on the ordinary lens with a head of 50mm as a close-up shot.

Or use 30 yuan's "anti-ring" to turn the 50mm lens to the fuselage; How can I connect the zoom head backwards? And Nikon's aperture seems to be the smallest off-plane, which is not suitable for reverse connection; Canon is most suitable for reverse connection.