I searched using terms like reusable, high load, quick release, and found an interesting product called the "Sea Catch TR5".

Not cheap, there are other models at different capacities and price. The TR5 max load is 1.66 tons and at max load, release pull is 30 lbs. Cost is $425, so not exactly cheap, but have you priced a release hook lately?

Of course it's not tested or approved either.

http://www.seacatch.com/tr5refurb-after.jpg