It's difficult to express the idea of a long hemmed garment.
I have the urge to forcefully lift it up, but perhaps it would be more appropriate to gently lift it up, showing just enough without being too revealing.
裾の長い衣装って表現が難しいです。
もっと、グワッと捲り上げたい気持ちもあるんですが本当はもう少しおしとやかに捲れるくらいが詫び錆びなのかもしれません。