When doing a nail overlay with extension, how do you apply the extension to the natural nail?

Is the extension just a regular nail tip? thank youWhen doing a nail overlay with extension, how do you apply the extension to the natural nail?
Just a little nail glue on the edges, and apply the overlay on top. Be sure you treat the nail bed with an anti-fungal antiseptic before you add the tip/extension %26amp; overlay.When doing a nail overlay with extension, how do you apply the extension to the natural nail?
Strictly speaking, you glue a plastic tip extension and apply product over that. However, sometimes a preform is put in place and the natural nail gets an overlay while the extention is ';sculpted'; out with acrylics or with gel.
either you put the tip on and apply the product or you use a horseshoe to sculpt the extension