Cassette tapes are no good for playing anymore, but they do come with 4 conveniently-placed holes which allows them to be bound into a book. The most time-consuming part of this was the cutting of the paper for the signatures as, inconveniently, cassette tapes are not a size that is a proportion of a standard sheet of paper.
Coptic-bound cassette book
Coptic-bound cassette book
Coptic binding
