The sleeves are usually contact welded shut on the sides, so if one wants to keep the discs working, one of the edges can be undone and the disc can be removed like a letter from an envelope. "Transplants" are also possible.
The sleeves are usually contact welded shut on the sides, so if one wants to keep the discs working, one of the edges can be undone and the disc can be removed like a letter from an envelope. "Transplants" are also possible.