The Superwhirl Crochet Coaster, easy to crochet coaster with hypnotizing look. The coaster is crocheted in spiral rounds and will be revamped with surface slip stitches (how to do those will be explained in detail).
The coaster is even without surface slip stitches a great coaster or potholder for all your warm and cold drinks.
The depicted coaster was crocheted with a 2.5 mm crochet hook and the “Schachenmayr Catania” yarn. It has a radius of 11 cm. Use a bigger yarn and/or bigger crochet hook to crochet a bigger coaster or potholder.