Came across this by chance:
What's the solution?
For that matter, what was the problem?
Yes, I watched the video. No, I don't have Volcanicus.
The problem is how to turn a bot into a leg. This transformation design of bending the legbots in half is what I'm calling a solution. Note that this design provides built-in feet, something Volcanicus fails to have at all.
Fanmade deleted scene, to be precise.Deleted scene from animated, featuring the Dinobots V Megatron: