Where's a good place to get the little plastic wire clips you'd use inside a guitar to secure battery wires from flopping around? I'm putting a used B-band UST and preamp I picked up on eBay a while back into little cheapo Cort acoustic and since the pickup wasn't new it didn't come with the little wire clips. Is that something Radio Shack would have (closed today, I drove by a few minutes ago)? I couldn't find them on Stewmac's website or a number of other usual supply sites.
Something like this that comes with a Fishman pickup:
