public GameSession()
{
Slider1 = new Slider(s1);
Slider2 = new Slider(s2);
Nails.Add(new Nail(0, 0));
Nails.Add(new Nail(0, 1));
Nails.Add(new Nail(0, 2));
Nails.Add(new Nail(142, 3));
Nails.Add(new Nail(142, 4));
Nails.Add(new Nail(142, 5));
}