You can watch an instructional video on use of the splicing wand for $5 on Sailrite. Once purchased, you can watch it multiple times.
Double Braid Eye Splice With a Splicing Wand Streaming Video
I recently had to splice a high tech line and just couldn't do it with my conventional fids. After a week of agonizing, I broke down and bought the splicing wand. At $60, the price seemed outrageous. Now I can't imagine splicing any other way.