Those who said the takbirs of the funeral prayer in quick succession

Isma'il bin Abi Khalid says: I prayed the funeral prayer behind Qays bin Abi Hazim, and he would say his takbirs one right after the other.

Ubayd bin al-Sabbaq says: I saw Sayyiduna Sahl bin Hunayf (may Allah be pleased with him) offering the funeral prayer. He recited Surah al-Fatihah at the first takbir, then said his takbirs one after the other, supplicating between them, until, when one takbir remained, he recited the tashahhud of the prayer; then he said the takbir and turned with the salam from the prayer.