It is narrated from Jabir (may Allah be pleased with him) that he saw the Prophet (ﷺ) throw pebbles at the Jamarat in the manner that they are thrown with the fingers.
Hadith Referenceمسند الإمام الشافعي / كتاب الحج / 1014
Hadith Takhrijأخرجہ مسلم الحج، باب استحباب کون حصٰی الجمار بقدر حصٰی الخذف (1299)۔