Try the ones with the metal braid on the outside, instead of cloth or plastic:

http://www.bhphotovideo.com/c/produc...red_Cable.html

I've never had one of those come apart on me.

The cheap plastic ones can have a problem with the plastic sleeve sliding off the metal barrel on the ends, although in a pinch you can sometimes push them back together and tape them up. I do have a red plastic one that has been fine; it looks like this, although I'm not certain it's the same one:

http://www.bhphotovideo.com/c/produc...e_Release.html