Touch/press left mouse button on ice to aim, start rock
Drag mouse/finger in direction you want to curl before release.
Release between T line and hog line. Closer to hog line is higher speed.
After rock passes near hog line, you may sweep by holding mouse/finger on screen at point of sweep.
Mixed Doubles rules: Team with "position choice" determines rock positions.
Clicking current position button swaps red/yellow positions.
Rock in house gets hammer!
"Position choice" goes to non-scoring team. If blank end, goes to non-hammer team!