eh, miliput is a little too much work for such a small area imo. I've done this type of thing before with gel superglue to fill in gaps and it works like a charm. But, I understand if it's not a preferred method for some as it can easily get out of hand if you're not careful. I used to use milliput all the time but always mixed more than I needed plus it really gets into your hands when kneading/mixingI wouldn’t use superglue if any kind. Milliput would probably work well.
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