If your on what i think your talking about use a split link! i ran 3 at 1 time before that was asking for trouble it wont cause you too much bother if your unsure about re-connecting! shortern it for sure not any effort get someone to tell you how to do it, but a chain tool a fiva maybe? and you chain is going to snap at one time you can make it more or less likely to happen, by not splitting and re-splitting it you reduce the chances of it snapping, its unlucky if its at the top of a drop but shit appens hey!!