Thread a crimp (brass tube) on the wire, run the wire through your control horn hole or through your clevis adapter (threaded bit with a hole in the end), run the wire back throught the crimp, brign the wire back around and through the crimp again. pull out 99% of the slac (leave a little loop, in other words, don't kink the wire), take a set of small vice grip pliers and crush the tube that now has three passes of cable inside it. You are done.
Check out post #16 of this thread on RC Universe. It will help you figure out what I'm talking about.
http://www.rcuniverse.com/forum/m_34...tm.htm#3489786
Jon