Quote Originally Posted by David A. Goldfarb View Post
The only problem with leaving the film loose in the center is that you can start pushing the film so it spools up in the core, if you're not paying attention. With 35mm this isn't usually a problem, but it can be with 120 or 220, where you don't always have so much leader between the end of the film and the last frame (depending on the camera, the format, design of the camera back, etc.).
Good advice, thanks David.

What amuses me is that all my reels are, shall I say, independently sourced. Yet every single one has a spring wire. Just a West Coast thing maybe? Or maybe the Hewes and non-clipped never make it to swap meets and garage sales