How do I get the ghost mannequin effect

Are you one photographer?Do you know what it is ghost mannequin?Do you know how to use the ghost mannequin for photography?From the link and photos as below,I think you will understand!

http://www.afellow-mannequin.com/collection/ghost/

Ghost mannequins work well when you want to show the front and inside of a garment - as if the garment was placed on an invisible mannequin.

As a photographer, if you have a ghost mannequin that can be split, you can fully control your clothing photography, which will reduce the difficulty in the process of retouching, and will also bring the effect of clothing photography to a higher level. Your clothes are three-dimensional