ONLY the '111removeelasticband111' is required.
Other req. mods are merely my suggestion and cover the video showcase I prepared for you to check out how this hair actually looks in motion.
Install the Big Bun hairstyle by simply dropping it in /mods/ !

Experimental file courtesy of user BedaRana, who shared it with me. This is exactly like the normal version except you DON'T need '111removeelasticband111' file from Triss's combined hair mod anymore, making it more convenient. Try it out!