Method for forming shoestring tying devices which are vertically separated

A method of forming shoestring tying devices in shoes which cross a shoestring into middle eyelets at two intervals and provide ‘V’ shaped pull string loops at a top to tie the shoestring at once, the method comprising:

• positioning first and second eyelets (11a, 12a) at a left upper and first and second eyelets (11b, 12b) at a right upper to be asymmetrically separated from each other up and down, by drilling and installing the first and second eyelets (11a, 12a) at the left upper in which a pull string loop (19a) is to be located at a top of the right upper on a right side of a instep cover, and by drilling and installing the first and second eyelets (11b, 12b) at the right upper in which a pull string loop (19b) is to be located at a top of the left upper on a left side of the instep cover, the pull string loop (19b) located at the top of the left upper being configured to be located below a horizontal line whose height matches the second eyelet (12a) located at the left upper;
• installing eyelets (13a-16a) on a middle lower of the left upper and eyelets (13b-16b) on a middle lower of the right upper symmetrically to each other;
• forming connecting portions to be separated from each other up and down on left and right sides of each shoe neck;
• and
• inserting the shoestring into bottom eyelets (16a, 16b) and threading the shoestring crosswise through to the first eyelets by skipping one eyelet at a time and forming a pair of the pull string loops (19a, 19b) connected with fastening portions to be separated up and down on the top of the left and right uppers.