I bought the Mondo clips instead - much less expensive, and they work exactly the same.
Here's where you get the clips:
http://www.amazon.com/Clip-n-Seal-Ba...ds=mondo+clips
And here's a YouTube on using them:
https://www.youtube.com/watch?v=Wq2U1bvnpRg
and I have the velco leaders as well - it was very easy to make the sleeve for the mondo tube to go into.