Quote Originally Posted by railwayman3 View Post
If you cut the end of the film across when you remove it from the cassette for processing, leaving an inch or so of the old trailer protruding from the mouth of the cassette, you can then, when reloading, fix the end of the new film with a bit of tape and wind it into the cassette, without needing to remove the cap. Obviously watch out for anything to cause dust or scratches, as with any reloading.
That! Use good tape that won't come undone with a firm wind.