4 lines with 2 front lines safety is still very dangerous. My mate had to release his Dice on 35+ knots on the beach and he almost ended up in the bushes because of the power that he still had on his 6m kite using the 2 front lines safety. I had a similar situation once. Not very good feeling.[/quote]
A lot of good points have been brought out in this thread... mainly, that the “devil is in the details” when a person starts to modify a safety system. But also remember that there is no completely safe “safety system”... all safety releases will. at times, and give you a "tiger on a leash”... to some extent. I believe that only the old 4 line “C” kites (with only about 3 PSI pressure) or some “ram air” kites will “flag out” in the manner of a beach towel, being held by one corner, and thereby lay pretty much “flat” and powerless on the water or land. All modern bridled (or even the 9 PSI “C” kites) hold some of their pressurized shape, when thrown to their safety. So, under somewhat “normal” conditions of debris-free water or debris-free sand, the “safeties” work OK, but take any of these kites and flag them on land or even water with seaweed or floating debris, where a line can catch, and the balance is changed and the kite can come back alive with burst of power.
So, a good policy to follow, if a kiter has a kite that is acting suspeciously, or a kite that is severly compromised, by an overpowered wind event... is to try to stay away from other people, and get CLOSE to shore, and then to sent the kite to its safety, while still in the water... and not to bring the kite onto shore, where many more unpredictable scenarios can occur. If this policy is followed, then, the “two line” or the “single line” safety system is adequate, even with the residual pull, and will usually allow the kiter to “wrestle” the kite into submission. Don’t ever assume that “wrestling” will not be part of an emergency release to a safety system.