"For showing what you got"
Well, it adds 5 new blocks to the game, more on those later.
Putting an item on displays if spinning above the block
!Diamond Sword on Obsidian Pedestal
Putting an item in displays it spinning in the invisible block
!Diamond Sword on Invisible Display
Works like an item frame but displays items bigger and sneak+right-clicking makes it turn 45 degrees
!Diamond Swords on Display Panel
Works like a Display Panel but only some items go in, it has a custom model and there is a tag to make items display as if handheld
!Diamond Swords + Diamond Scythe on Tool Rack
Putting an item in displays it like an item frame, but items can stack to 64 and it displays the number of items inside if its more then one
!Items on Item Displays

Adds blocks to display items better! Includes: Display Panels, Item Displays, Tool Racks and more!