Their bodies writhe and they raise and lash their tails which makes it difficult for the predator to avoid contact with their poison-producing granular glands.
ðɛɹ bˈɑːdiz ɹˈaɪð ænd ðeɪ ɹˈeɪz ænd lˈæʃ ðɛɹ tˈeɪlz wˌɪtʃ mˌeɪks ɪt dˈɪfɪkəlt fɚðə pɹˈɛdəɾɚ tʊ ɐvˈɔɪd kˈɑːntækt wɪð ðɛɹ pˈɔɪzənpɹədˈuːsɪŋ ɡɹˈænjʊlɚ ɡlˈændz.