Your reference link isn't working.
I can say though, you'd have been better off getting a shorter wig. Longer wigs aren't really designed for what you want to do.
ACen 2014 cosplay: Lara Croft, Erio Touwa, Shirahoshi Hime, Sengoku Nadeko
Otakon 2014 cosplay: Makise Kurisu, Shirahoshi Hime, Sengoku Nadeko
ALA 2015 cosplay: Shirahoshi Hime, Akemi Homura [Haregi ver.], Mayoi Hachikuji
Possible 2015 conventions: Sakura-con, A-Kon