"[Input Customizer] uses an intuitive input system that allows the rebinding of every action to arbitrary combinations of keys or buttons on the controller, mouse or keyboard," the Nexus Mods description reads. "Although this can in part also be achieved with existing tools, DSIC is much more flexible and wraps it all up in an easy to use package, with additional functionality that is specially tailored to Dark Souls."
The work of modder Methanhydrat, it looks to be a pretty easy-to-use tool if the demonstration video embedded below is anything to go by. Note that you'll need to already have Durante's DSFix installed to get it up and running.
