Hey jinksy, I'd invest in a spud bar if I were you, that way you can use it to test the ice as you are walking on it. Just give it a hard jab out in front of where you are going to step, if it goes thru, back out the way you came in. Oh, and make sure that you have a piece of rope or leather that goes from the spud to your wrist, that way if it does go thru, you wont lose it. And make sure that you have a set of spikes, just in case you do go thru you use them to grip the ice so you can pull yourself out. Let's just hope that nobody has to use them.