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Thanks for taking the time to post the photos. I have my car in the San Diego service center getting some work and they also told me that my cup holders will be installed.
I noticed that you replaced your original photo of the waxed paper soda cup in the holder with more sturdy containers. Do you feel these holders are likely to crush a paper cup?
The straps lock into place once you decide what size loop you need so it won't crush anything. I changed to water bottles since that is how we will use them. There is a button on the strap mechanism that you push in while you slide it to the desired size and then it locks into place. Nice to be able and adjust to the size of the bottle.