Bottom Backpack Piece

The Bottom Backpack Piece is an item from Backpacks. It is used to create the Middle and Big Backpacks. Its Leather Tier determines the capacity of the Backpack it is used to create. It can only be used to create Backpacks with other Backpack Pieces that have the same Leather Tier and Frame Tier.

Recipe
The leather used in the creation determines its Leather Tier, and its frame type determines its Frame Tier. Any frame can be used with any leather.