I like to play on ponds in the winter, but its hard to tell whether the ice is thick enough for multiple skaters.
I'm sure there is a better way than our current method which is to draw straws. Shortest straw has to go test out the ice. We usually attach a tow rope to him in case he falls in, but the rope is only 20 feet long.
for me i live right next to the pond and i just watch it everyday and kinda know based on the weather but when i test it ill have a buddy with me and slowly go out, jump around on it. we used to drill it but if u drill the ice it gives it a place to move and allows it to crack. the ice is thickest in the middle so if the edge cracks a bit its okay