How does one perform wudu' when he has a cast on his thumb?

Question:
We have a caller, Misha, from Riyadh, or... May Allah have mercy on him. We have 'Abd al-Rahman from Riyadh, excuse me, yes, Brother 'Abd al-Rahman. 'Abd al-Rahman. Peace be upon you. And upon you be peace, raise your voice, may Allah keep you safe. I have a question, three questions, O Shaykh. The first, give us all of them. The first, may you live long, I have a cast on my thumb, and when I come to perform wudu', I wipe over the wipe, so I don't know, meaning, and the file in front of it, the water doesn't reach it. Yes, and the second, I think it is only the cast. Okay, he says his thumb is cast and he has a cast on it, and he asks about the method of wiping and how that is done?

Answer:
Yes, when he performs wudu', he wipes over the cast, and that suffices for washing what is underneath it until it is removed, as long as he needs it to remain, and he wipes over it every time he performs wudu' until what is underneath it heals, then he removes it, yes.