Minecraft wiki entry for Gathering_resources_on_peaceful_difficulty, associated text: Also, string generates as part of tripwire traps in jungle temples, generating a total of 5 string in a jungle temple. In addition, like rotten flesh, gunpowder, and bones, string can be found in the chests of desert temples, dungeons, woodland mansions, and pillager outposts. Finally, string has a 0.6% chance of being obtained through fishing. The next paragraph shows how to acquire a fishing rod without string: