+1 on being careful! There have been more than one person(myself included) that has had 550 fail on them. IMO I wouldn't use paracord for anything requiring more than 50lbs of break strength. On a side note this is really cool. I have always wondered about splicing paracord.
"If animals could speak the dog would be a blundering outspoken fellow, but the cat would have the rare grace of never saying a word too much."
- Mark Twain
"FOR THE LOVE OF GOD! NO MORE WOOD!"