I'm planning my first cart build, and was looking at the Gallery of Sound Carts to get some inspiration.
Now - I am wondering what those rails are that most of you are using to build your custom carts? Can't seem to find anything on the internet or in the shops...
I mean the rails that you can see on those carts:
http://jwsound.smugmug.com/Gallerysoundcarts/i-bxhngc4
http://jwsound.smugmug.com/Gallerysoundcarts/i-6mLgLJV
Any hints? Or any suggestions for similarly useful rails systems?