tˈɑːpstɪtʃɪŋ ɪz ɐ sˈoʊɪŋ tɛknˈiːk wˌɛɹ ðə lˈaɪn ʌv stˈɪtʃɪŋ ɪz dɪzˈaɪnd təbi sˈiːn fɹʌmðɪ aʊtsˈaɪd ʌvðə ɡˈɑːɹmənt, ˈiːðɚ dˈɛkɹətˌɪv ɔːɹ fˈʌŋkʃənəl.
Topstitching is a sewing technique where the line of stitching is designed to be seen from the outside of the garment, either decorative or functional.