I just installed a set of Animas today after not having used Velvets since 2000, and I suddenly recalled the difficulty I had then: if you have a long string length (mine's 42.75" which isn't even all that long), the strings are almost too short to use. The red wrap at the top hangs over the nut almost into first position, but then as they stretch and you keep tuning them up the wrap gets back to the nut. The only problem is, there's this bulge in the wrap right above where the winding starts, and by the time it gets to the nut the string is too tight for it to slip over and you end up stretching the string above this "roadblock." I can see how this would definitely cause breakage if not handled carefully: I had to loosen the strings up again and put a piece of thin cardboard (from a box of dishwasher detergent, the shiny stuff) over the nut and under the strings and then play the bass for an hour or so, constantly retuning as the strings stretched. After they stretched to the point where the bulges were over the bridge, I took the cardboard out (which meant re-loosening the strings) and then re-tightened them, yanking on the bulge part like a mofo until it slipped over the nut and could slide freely.
This is a big pain in the butt, and if they break anyway it's quite expensive. But these strings sound and feel very very very very nice...