Usamah bin Zaid narrated that his father Zaid bin Harithah said:
"The Messenger of Allah said: 'Jibril taught me (how to perform) the ablution, and he ordered me to sprinkle water underneath my garment, lest a drop of urine leak out after the ablution.'" (Da'if)Other chains with similar wording. (FR)
English reference (FR): Vol. 1, Book 1, Hadith 462 (FR)
Arabic reference (FR): Book 1, Hadith 498 (FR)