A one line repeat pattern, using just fsc, sc and ch.
This project can be made in under an hour, and fits most of the Blackberry series, HTC Desire series (U, V, X and C), and some of the Nokia Lumia series. It is also a good fit for the LG G2.

Due to the (mild) complexity of st, it has been rated Advanced Beginner or Intermediate skill level.

This pattern has been extensively tested in The Happy Hookers Hangout using :
1. 4-ply (medium worsted) acrylic yarn from Oswal Mills, 4.5 mm (US 7) hook , approx 20 g (60 yds);

1. Universal Bella, DK weigh, 4 mm (G) hook , approx 0.80 oz - Gauge: 4 trinity st 1 1/2” wide x 1 1/2” long;

2. 4-ply acrylic/wool blend , 4mm (G) hook , approx 10g - Gauge: Start 16 fsc = 9.5 cm in pattern st

3. 4-ply (medium worsted) unbranded acrylic, 50 g (285 yds), 3 mm hook

4. Lion Brand Pound of Love (worsted), approx 51 yards (by weight) , 4.0mm hook, Gauge: 7 Trinity st across and 7 rows down = 3 inches x 3 inches

6.Bernat Softee Baby #3 weight yarn, small H (4.25) hook, Gauge: 3 Trinity st across and 3 rows down = 1.375 inches x 1.375 inches ; approx 18.5 g (about 47)

1. RedHeart Super Saver (#4/worsted weight) , small H (4.25) hook, Gauge: 3 Trinity st across and 3 rows down = 1.3125 inches x 1.5 inches ; approx. 20 gm (37 yards)

2. Jo-Ann Sensations Truly Solids, 4mm (G) hook , 62.9 yards, 14 grams 0.24 skeins = 62.9 yards (57.5m); Gauge : 3 trinity stitches across x 5 rows = 1” square

3. Bernat Super Value -just under 50 g, G/6-4.25mm hook , Gauge : fsc (16 sts ) 4”