Zip Grip & Go, LLC is raising funds for ZipGripGo - Emergency Traction Aid for Snow, Ice or Mud on Kickstarter! ZipGripGo can be added to the wheels of most any passenger car in minutes, without tools, instantly freeing stuck vehicles.
Saw the pin earlier about cutting glass, but I'm sold using old bottles. If I can only find the pin again. make glass sets from old bottles, using a glass cutting technique with yarn, nail polish remover and a flame!