This pattern is made for elastic yarn. It is possible also to make with yarn, that doesn't stretch, but some adjustments might be needed. You should know the basic stiches: chain stitch, single crochet, slip stitch, double crochet. All the other sticthes used in the pattern are explained. Includes for example Extended sc (EXsc), pigot stitches. This pattern is written in English, standard American terms and includes many photos of the process. You should know the basic stiches: chain stitch, single crochet, slip stitch, double crochet. All the other sticthes used in the pattern are explained. Includes for example Extended sc (EXsc), pigot stitches. Instructions to add lining and add elastics in to the hem and to the straps and to add lining and add elastics in to the hem and to the straps. Text and images Copyright (c)2019 by Capitana Uncino, all rights reserved.Text and images Copyright (c)2019 by Capitana Uncino, all rights reserved.