in the "FLST" thread at sb.com the dude FirstLight from AU has designed a way to do ICS channels in DIY splits, although i don't know how solid/durable that would be....
I'd be interested to see what type of inserts he's using and how he's installing them. Maybe it's bombproof, but from just the outside looking in not knowing that info, certainly looks like the possibility of catastrophic (or perhaps hilarious) failure exists.
"People say that marijuana smoking is going to get in the way of my career. I say to them that on the contrary, my fighting career is getting in the way of my marijuana smoking." -Nick Diaz