According to each different shoulder width to the needle, you take a suitable amount of shoulder sweater, size (such as 4 inch), and then the ruler in the sweater needle, for example: the needle needle 40, the amount is much, a few small needle, then add a few needles, the size must be appropriate.
130 of the 1 thousand and 400 inch
The shoulder width, yarn thickness, the needle is not the same.