If you string tennis rackets, undoubtedly you are always looking for a way to make the job easier. I ran across this invention by Stringway that helps ease the cross weave. It appears to reduce friction and provide a easier method to weave the crosses, it does appear however to take a bit longer than if working the traditional way, watch the video and check it out for yourself.
You can visit the website at Stringway to find out more and view a description of how it works.
To see a short video, check it out at racketstringingtips.com