The Junk Pile is a naturally spawning object exclusive to Don't Starve Together, introduced in the From Beyond updates. It can be found in the Junk Yard and can also spawn from the junk ball attack of the Scrappy Werepig. Rummaging a Junk Pile can result in finding resources or Mobs. Depending on its stage, a Junk Pile can be rummaged up to three times before it disappears.
The Teetering Junk Pile is a group of several Junk Piles found in the Junk Yard and is acting similar to the default Junk Pile, but as one big object. It can always be rummaged as it does not shrink or disappear, but there is only a chance to find an item every 2 minutes. The Scrappy Werepig can be found in it after defeating it as the Nightmare Werepig in the Caves. In a fight with the Werepig, it will rummage through the Teetering Junk Piles to find weapons.