Rainbow Six Siege Coastline callouts guide. Fast & Easy way to learn maps especially for new players in Siege. Map knowledge is the number one way for how to get better in Rainbow Six Siege. I’ve created this tool to help you improve your map knowledge and memorize map callouts fast and easy. This tool should help you no matter if you are a absolute beginner or already advanced player of Rainbow Six Siege. With this vid you’ll be able to learn all the most important callouts of Coastline and also get better understanding of the map layout. Happy learning!