Skill level: Intermediate 

Make a foundation chain of the required length, or work row 1 directly into the item to be trimmed with right side facing. 

(multiple of 12 stitches) 

Row 1: 1 ch, *1 sc, 2 hdc, 2 dc, 2 tr, 2 dc, 2 hdc, 1 sc, rep from * to end, turn. 
Row 2: 1 ch, 1 sc in each st to end, turn. 
Row 3: 4 ch, *2 dc, 2 hdc, 2 sc, 2 hdc, 2 dc, 1 tr, rep from * to end. Fasten off.


ABBREVIATIONS / REFERENCES
Click for explanation and illustration
ch(s) = chain(s) sc = single crochet
dc = double crochet  
hdc = half double crochet tr = treble crochet


Trim directions reproduced by permission from 150 Crochet Trims by Susan Smith, St. Martin's Griffin, 2007