FYI, our spamfilter doesn't like URL shortenners, because people tend to use them to hide affiliate links etc. This unfortunately includes the shortenner that the amazon app uses. I've manually approved your comment, and your post was unaffected.

The best way to post links to amazon is to post the full link, while removing everything after the product code. That removes the affiliate portion from affiliate links, which is important becasue it's easy to accidentally generate an affiliate link if you e.g. initially browse to amazon using one.

Shortened in this way, your link would look like this: https://www.amazon.com/dp/B011MIZN5K