Blue hat with open pattern
Cranial circumference: 56 cm;
Necessary materials:
– 100 g of blue thread (60% lana, 40% acrylic, 781 m / 100 g);
– Andrele no. 3.5 and no. 4.
The density of the work: 18 stitches x 22 rows = 10 x 10 cm;
Description of the work:
The hat will be knitted in 3 strands.
It is mounted on needles no. 3.5 - 80 stitches and knit 3 cm semi-elastic point, in the last row, 10 stitches will be added at equal intervals = 90 stitches.
After, with andrels no. 4 will knit 15 cm openwork pattern.
After 15 cm hemstitch pattern will knit semielastic point, subtracting stitches in every 2nd row in the following way: * 1 ochi two, 3 stitches together front*, with 
repeat*-*.
When on the working needle will remain 7 stitches, they will pass through the working thread, the thread is tightened and on the back side is made the back stitch of the hat.
good evening,nice please help me with an answer,I finished the hemstitch model and I reached the semielastic point,how much do I have to work like this ?and do not understand how to decrease?every 2nd row I work 1 stitch inside out and 3 stitches together on the face all the row so?how to subtract those 3 stitches together?Thank you and I am waiting for an answer from you,Monica