PRIMITIVE · ITEM AUGMENTBackpack1 BUby SystemNarrative ruleA backpack expands how much carried Load you can support. While it is available for use, add 20 to Carry Capacity.Mechanical outputAdd +20 to Carry Capacity.Behavior+ AddMirrors as SubtractAdd +20 to Carry Capacity.StackingStacksMirror rule−SubtractSourceFork mapVersions