The front two legs of the walker may or may not have wheels attached depending on the strength and abilities of the person using it.
ðə fɹˈʌnt tˈuː lˈɛɡz ʌvðə wˈɔːkɚ mˈeɪ ɔːɹ mˈeɪ nˌɑːɾɐv wˈiːlz ɐtˈætʃt dᵻpˈɛndɪŋ ɔnðə stɹˈɛŋθ ænd ɐbˈɪləɾiz ʌvðə pˈɜːsən jˈuːzɪŋ ɪt.