ðeɪ pɚfˈɔːɹm ðə sˈeɪm fˈʌŋkʃən, bˌʌt wɪðˈaʊt ðə "klˈɑːk" ɔːɹ pˈɑːp tʊ ˈeɪd ðə spˈɪnɚɹ ɪn kˈiːpɪŋ tɹˈæk ʌvðə lˈɛŋθ ʌv θɹˈɛd ɔːɹ jˈɑːɹn pɹədˈuːst.
They perform the same function, but without the "clock" or pop to aid the spinner in keeping track of the length of thread or yarn produced.