SotD

Cluster stitch Cluster stitch Appearance in pattern - dc cl (or tr cl) Double Crochet Cluster (dc cl) Yo, insert hook in st, yo, pull through st, yo, pull through 2 lps on hook, (yo, insert hook in same st, yo, pull through st, yo, pull through 2 lps on hook) 3 times, yo, pull through all 5 lps on hook, ch 1. Treble Cluster (tr cl) Yo 2 times, insert hook in st, yo, pull through st, (yo, pull through 2 lps on hook) 2 times, *yo 2 times, insert hook in same st, yo, pull through st, (yo, pull through 2 lps on hook) 2 times; repeat from *, yo, pull through all 4 lps on hook, ch 1. from Stitchguide.com