well, for some spinners, you need some time to make it smoother as the steel bearings are newly to use. however, if it always does not work very fine, you can add some lubricant or oil to make it run smoother and longer. you can check some of the latest one at: http://www.aslongdeal. read more
Once this happens, you’ll hear the noise when you’ll spin it. When this happen, you can put your spinner in a cup filled with isopropyl/rubbed alcohol, remove it after 10–15 minutes, and give it a few good flicks. This will clean the bearing. And if you’re unlucky, it could happen that you receive a faulty spinner out of the box. read more