What doesn't exist for reefing yet but you really, really wish it did?

[ScubaSteve]

Originally Posted by brotherd

A rare earth magnet no more than a 1/4 inch thick sealed with a super hard plastic that can be used like a magfloat to remove coraline in very tight spots.

This can be done pretty quick and easy. The only limiting factor is how fast I could get an injection mold made. If there is enough demand for this that I could pay back the cost of the mold in a reasonable amount of time I'd consider doing this.