Hopefully I'm just missing something obvious but there doesn't seem to be a way of telling this mod that a block should be affected by the rubber boots. I'd like to let the program know that mud from the Erebus also is mud and should be negated by wearing rubber boots but I just can't seem to find a way of doing it!

If this isn't currently possible I'd like to suggest adding a list of blocks, like that Erebus mud, which should no longer slow the character if they are wearing rubber boots. :)