Written in US style terminology with UK conversion chart.

Stitches used: chain, single crochet, double crochet, slip stitch
Concepts used: working in the round

Making these is pretty rough on your fingers, so don’t plan on making more than 1 or 2 per day.

After round 2, these will not lie flat at all, but should flatten out with the final round.

You don’t have to weave in the ends. Just tie them off so they won’t come undone and trim them to about ½”. This way, the ends will add to the scrubbing power.