I have a pair of Ice Cleats which slip over your boot sole and have small metal spikes, nothing like crampons, only a few mm long, bought them in Canada 11 years ago where everyone used them. Never needed them in this country until this winter. I was snowed in and needed to walk a mile up the lane to the main road to be collected by a colleague to get to work. My road is a fairly steep hill, the snow had been packed by 4x4's into a packed snow/sheet ice combination. I have 4 season walking boots but could not grip with them at all, litrally couldn't stand up on the road. I put these cleats on and strolled up the hill with no problems. I deliberately walked on the iciest sections to test them, excellent, no slipping at all. I also used them walking around town as the pavements were a deathtrap. Again, no problem at all, and because the spikes are small you can use them on patches of path and road that have been cleared too. So in my experience well worth getting, although I have had to wait 10 years to have weather bad enough to use them! They are hardly noticeable to use as the rubber used to hold them on just slips over the sole of your shoe. Didn't get any funny looks, more lile admiring ones! Would rather wear them then risk breaking my neck.