FoldingSource Armor Master's Handbook pg. 30
Aura strong conjuration and transmutation CL 13th
Slot shield quality; Price +1 bonus; Weight —
DescriptionOn command, a folding shield transforms to take on the form of another shield. As a move action, the wearer of a folding shield can change the shield from its current form into a buckler, heavy shield, or tower shield. The wearer of a folding shield must be proficient with the type of shield into which he wishes to transform the folding shield.
ConstructionRequirements Craft Magic Arms and Armor, instant summons, masterwork transformationUM; Price +1 bonus