Just to be clear, you need map editor installed which is prob the most know version of it's download
https://www.rdr2mod.com/rdr2-map-editor-v0-1-6-1/
drag and drop into its map folder and vala you are now a sexy beast that has a 19 inch cock that can handle a forest like a
giga chad that you are daddy. alright enjoy the mod twinkle toes