Here's a little tip on how to fix the barn doors on the ePhoto 4-banks. Grab some Permatex Medium Strength Threadlocker Blue from your local hardware store. Take off the 4mm nut and coat the thread. You can replace the nut immediately with the wrench. I let it sit for about 10 minutes to let it harden a bit. Seems to work very well. One the first flap that I tried it on, the nut on one side moves a little, but not so much that it unscrews. The other side stays perfectly. This is great news in that I can use the barn doors again!
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