looks like they may have slipped it under the wrap next to it, woudl ahve to see th eotherside to see if they tied the arap off or slipped the wrap under itself, but the leather piece (black side piece) looks like it is slipped under. it is not part of the Practical Plus Katana. and of course the pics posted in the thread are of a Replica of the prop made by the Linderman Group with the wooden blade in the museum Hiro finds it.