Out of Date

Me, not this contraption.
I'm out of date (and quite out of touch with Blipfoto) as I was going to enter this blip in the Tag 'Our Digital Planet' but now I see that sell-by-date is way off.

Non-slip Technology.
I was passing these workmen who had laid some very smooth concrete and were carefully indenting it with this roller. I'd never seen this done before and so of course I had to ask for a photo.