I've used a Crooked Horn for many years. I've never had the problems that JJHack's had, though. They work with any pack as long as you connect your pack's sternum strap UNDER the bino shoulder straps. I would never pay the extra $5 for the camo version BTW.

“In a time of deceit telling the truth is a revolutionary act.”
― George Orwell

It's not over when you lose. It's over when you quit.