question #1 Sahih al-Bukhari 7074, Book 92, Hadith 25 : What precautions should be taken to ensure the safety of others in a communal space?

A man passed through the mosque and he was carrying arrows, the heads of which were exposed
(protruding). The man was ordered (by the Prophet) to hold the iron heads so that it might not scratch
(injure) any Muslim.