The pivot of the doctrine of the Nicolaitans is that man has something to add to what God in Christ Jesus has done in the plan of redemption.
Added to that is the notion that some aspects of the Mosaic Law, such as circumcision, should form part of Christian doctrine.
Also, the Nicolaitans did not see anything wrong in enjoying the pleasures of this life and being Christian at the same time. They opposed total separation from the world-system.
In this video, we present thirteen examples of the three-pronged doctrine of the Nicolaitans.