In older working-class rural speech, syllable-final  surfaces as  before word-initial consonants (particularly the voiced plosives and ), as in los vasos  'the glasses'.  are lenited after this allophone.
ɪn ˈoʊldɚ wˈɜːkɪŋklˈæs ɹˈʊɹɹəl spˈiːtʃ, sˈɪləbəlfˈaɪnəl sˈɜːfɪsᵻz æz bᵻfˌoːɹ wˈɜːdɪnˈɪʃəl kˈɑːnsənənts pɚtˈɪkjʊlɚli ðə vˈɔɪst plˈoʊsɪvz ænd, æz ɪn lˌɑːs vˈɑːsoʊz ðə ɡlˈæsᵻz.  ɑːɹ lˈɛnɪɾᵻd ˈæftɚ ðɪs ˈæləfˌoʊn.