If you guys are having a problem with horn making why not try the foam, you know the one they use for plant decorating, cover it with a single layer of clay sand it and paint, lighter and more sturdy.
Hinata, Kuroo, Nishinoya from haikyuu: Done
Shiroba from DMMD:50%
Regular Aoba from DMMD: Done
BellyDance Aoba from DMMD: 10%
White Ciel from Kuro: 5%
Queen Ayrenn from Elder Scrolls Online: 5%