Right I've followed all the steps to jailbreak to 1.1.2 on the touch to step 5 below: Step 5: Jailbreak your iPod Touch or iTunes activated iPhone 1. Close iTunes 2. Connect your device to your computer 3. On Windows, double click on windows.bat, on Mac, double click on .jar file 4. Follow the on screen instructions. The problem I'm having is that .jar won't open. I double click it and nothing happens, as if I haven't done anything. Anyone with a Mac know how to open this?