http://guitartricks.com/search.php?search.x=0&search.y=0&search=Submit&input=Slide+guitar
Honestly, I would direct your question to Anders in his ASK ANDERS MOURIDSEN forum. He can really help with this. Here is a link to that section of the forum;
http://guitartricks.com/forum/forumdisplay.php?f=51
Good luck. Again, he should be able to answer all of your questions. :confused:
Douglas Showalter