You could use gorilla glue to repair them, if they broke
Thanks, but didn't work.
You can buy replacements! (affiliate link ) https://amzn.to/2qSQzK9
Purchase a replacement holder. If you wish to repair the broken one please consider posting a photo. Having a visual might be helpful to be able to offer the best guidance .....to a help find the best repair suggestions or potential solution for your problem.