There’s a pattern for 2 different ones, a bigger one made with single crochet and a smaller, simpler one made with double crochet.

Materials:

• 5 mm crochet hook
• Worsted weight yarn of your choice
• Tapestry needle
• Optional: stitch marker

Stitches:
ch - chain
sl st - slip stitch
sc - single crochet
hdc - half double crochet
dc - double crochet
magic ring