Superbulky Ladies Mittens on Four Needles

Size: Ladies Medium

Supplies
90 yards of Superbulky yarn - I used Bravo Big Color (color 00090), by Schachenmayr 
Set of 4 double-pointed needles, size 8 mm
2 stitch holders

Gauge
10 sts = 4 inches, 14 rows = 4 inches

Instructions
Instructions are for one mitten (make 2)

Cuff
Cast on 16 stitches. Divide onto three needles. Join work into rounds, making sure not to twist them.
Rows 1-8: K1, P1 ribbing all around.
Row 9: Knit row, while increasing four stitches (to increase, knit into front and back of stitch). Now 20 stitches in round.
Rows 10-11: Knit.

Gusset
Row 1: K2, knit into front and back of next stitch, k1, knit into front and back of next stitch, k to end of round.
Row 2-3: Knit.
Row 4: K2, knit into front and back of next stitch, k2, knit into front and back of next stitch, k to end of round.
Row 5-6: Knit.
Row 7: K2, knit into front and back of next stitch, k3, knit into front and back of next stitch, k to end of round.
Row 8-9: Knit.
Row 10: K2, slip next 6 stitches onto a holder. Cast on two stitches. Knit to end of round.

Hand
Knit for 3 3/4 inches.

Tip
Row 1: *K4, SSK, K3, SSK*. Repeat * to *.
Row 2: *K3, SSK, K2, SSK*. Repeat * to *.
Row 3: *K2, SSK, K1, SSK*. Repeat * to *.
Row 4: SSK all around.
Break yarn. Thread through remaining stitches. 

Thumb
Slip the six stitches off the holder onto two needles. 
Pick up five stitches on a third needle. 
Row 1: Knit.
Row 2: Knit until reaching the needles that has the five picked-up stitches. On that needle, SSK, K1, SSK. Now 9 stitches in round.
Continue knitting each row until thumb is two inches.
Last row: SSK 4 times, K1.
Break yarn. Thread through remaining stitches.

Finishing
Weave in ends