Utility Items Thread

What fun or useful things do you always keep on you?I personally try to keep:-Water breathing pots-Swim speed belt-Spyglass-Swiftness Pots-Invis Pots-Snowballs-Flares-Cure Disease Pots-Repair Bots-Teleport Trinkets-Deviate Delight-NogginfoggerCurious what else you guys find handy many people don't know about