its a tripwire hook. '_'
Note: Minify the command to avoid issues :)
potion of wooziness
OP wood pick
da golden star (is not really gold)
green_shulker_box that gives you 100 attack dmg.
go 1000mph with a walking stick
TnT
Get cool minecraft banners in ONE COMMAND NO MODS!
Herobrine's Flesh