jˈɑːɹnˈoʊvɚz ɑːɹ ˈɔfən jˈuːzd tʊ ɪŋkɹˈiːs ðə nˈʌmbɚɹ ʌv stˈɪtʃᵻz, sˈɪns nˈɪɾɪŋ ɐ jˈɑːɹnˌoʊvɚ kɹiːˈeɪts ɐ nˈuː stˈɪtʃ wˌɛɹ nˈʌn ɛɡzˈɪstᵻd pɹˈiːviəsli, bˌʌt dʌznˌɑːt jˈuːz ˌʌp ɐ stˈɪtʃ ɔnðə nˈiːdəl.
Yarn-overs are often used to increase the number of stitches, since knitting a yarn-over creates a new stitch where none existed previously, but does not use up a stitch on the needle.