Testing for an Item in a specific slot in a chest?

Tea Chest - Dilmah Wooden Tea Presentation box

chest , said valve - chest being divided from said cylinder being closed slot on the opposite 23 The combination of a valve

chests of plenty slot - Prime Piercer : Adds 1 slot to a 1-slotted two-handed sword *You cannot use Prime Piercer on 0-slotted Weapons

chester 888 slot Chest Chest slots This is the window that is opened when the player right-clicks on a single chest block Slot range, Description 0–26, chest