Yes, it is. If you look at #3 and then go straight away to #7 you'll see that the painters and the tripping lines go hand-in-hand. If you loosing the tripping lines, then ipso facto...the painters must go!
Fantastic skip, especially in those giant letters!
Back to craudestopper, the original Italian says perno di sicurezza which would be a kind of security- or holding-pin, like on a hand grenade for example. In this case it seems to be a pin/mechanism that prevents the lifeboat release lever from being casually deployed. But ... craudestopper?