For speed master mounting systems (threaded)

Cushion Mount Position Your Support Ring BEFORE the Cushion Mount.
Correct Position The rim (edge) of the flange fits perfectly within the groove of the Cushion Mount creating a flush appearance. Apply pressure with your thumbs around the rest of the cushion to attach completely . This shows the correct position.
Cushion Mount -Correct Side View

Another view of a correctly positioned Cushion Mount.

Cushion Mount Cutaway

Another view of a correctly positioned Cushion Mount.

 

Cushion Mount Finished Look

Another view of a  correctly Installed Cushion Mount.

Cushion Mount This Cushion Mount is installed incorrectly!!