Quick comes from leaving the nylon lifting strap always connected to the stainless strap between the two aft keel bolts.
Strap stowed
Strap ready to use. No shackle to fail.
Strap can be adjusted to spread wear. At a about 50 launches per year nylon ageing is a bigger worry than wear. I replace about every three years.
The location at deck level is quick.

Here is a detail with the sea hood off showing the U-Bolt installation
This detail shows the seahood notch.
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