chain stitch
US /ˈtʃeɪn ˌstɪtʃ/
UK /ˈtʃeɪn ˌstɪtʃ/

1.
a stitch in which a series of looped stitches form a chain-like pattern
:
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She used a chain stitch to embroider the border of the tablecloth.
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The tutorial showed how to make a perfect chain stitch.