It is narrated from Hazrat Abu Saeed Khudri (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) said: "A people will come from the east who will recite the Qur'an, but it will not go beyond their throats, and they will go out of the religion just as an arrow passes through its prey, and they will not return to it until the arrow returns to its bow." Someone asked about their sign, so the Prophet (peace and blessings be upon him) said: "Their sign will be shaving their heads and setting their hair with sticky substances."