I have been searching various forums to try to get some information about this tool.
I have seen websites about how to turn it on through the Preferences window in Inkscape. When I have attempted to do so, I cannot type in a new keyboard shortcut. That field is not active for me.
I have been using Inkscape on and off for a couple of years to do some simple things. But, lately I have been doing more complex projects. And, having this tool would be very nice.
I have seen something about a Diffusion Curve application as an alternative.
Any information would be appreciated.