I used to have a valuable dog I took to work with me. He invariably pointed out where the dad gum Jesus clips went. Saved me a fortune in time and parts .... that was a long time ago. Now, I have no idea where the darned things go.
We don't bother looking for them anymore.
We carry an assortment of them.
So far, only found 1 we had to hunt for.
Mucho cheaper to do it that way than to have a tech look for it.