Godox S2 Universal Speedlite Mount The Godox S2 mount is a solution that will allow you to install light modelers with the Bowens mount on your Godox speedlite flash. How does it work? Remove the first block to install the Godox V1 round do flash head or the Godox H200R round head (compatible with AD200Pro flash). Also remove the second block so you can install the Godox AD400Pro flash. Do not remove any blocks to install two Godox TT350 flashes: Handle the clamp button to make room in the bracket. Do not remove any blocks to mount the Godox V860II, TT685, TT350 or AD200Pro flash (speedlite head). And then...install your Bowens mount light modeler, and voila!