I received the mask and shaped immediately. The shaping works like all other well with hot water. However, you can press it just outside the right, there he is closed. The rest shall be regulated with the tongue. If you wear protection rather than a one-piece, it is recommended with this train before. Although you get very good air, but you have to get used to the feeling. Is also not unpleasant but just only different and requires just try. I bought the protection because of my one-piece is often times just so also slipped out without contact even though he was well formed.
