Last week's object
was soon identified by Ragged Robin, Adrian, Ellen D and Wilma as a pumice stone. Well done to all who had a go. It had, and still has, many uses such as removing hard skin, and calluses. One use, mentioned by Adrian, I had forgotten about was cleaning steps. My mother scrubbed the stone front door step every week, as did many women, when I was a nipper. I have used this one along with Swarfega to help remove stubborn paint stains from my hands.
Another full view of an object this week:
Once again, what is it used for? If you would like to have a guess please leave it in the comments. They will be revealed, with the answer, next Monday.