Transdimensional pocket knives are exceptionally helpful tools with literally infinite gadgets attached. Rumour has it that the first was a Sue's deus ex machina, but however they came to be, the plotholes incorporated in their construction allow for maximum storage efficiency, as well as a steady weight of Feather Light at all times. Each knife can be modified to the taste of its particular owner, as additional features can be added at will. They are kept (*cough* hoarded *cough*) by Agent Sedri.