Anything that's secure and that you can release in a controlled manner with one hand... a rope clutch doesn't qualify. The rotating spinlocks are nice units , release easily under load and work at a wide range of angles.
1984 Fast/Nicholson 345 "FastForward"
".. there is much you could do at sea with common sense.. and very little you could do without it.."
Capt G E Ericson (from "The Cruel Sea" by Nicholas Monsarrat)