To make the Heart Tender (Ar-Riqaq)
Bukhari :: Book 8 :: Volume 76 :: Hadith 569
Narrated Abu Said Al-Khudri:
I heard Allah's Apostles when his uncle, Abu Talib had been mentioned in his presence, saying, "May be my intercession will help him (Abu Talib) on the Day of Resurrection so that he may be put in a shallow place in the Fire, with fire reaching his ankles and causing his brain to boil."