Threadless jewelry uses tension between the end and the post to stay together. How does it stay together? The removable end has a small insertion pin (see picture above), which is slightly curved on all straight-shaft threadless jewelry, or unbent on all curved-shaft threadless jewelry.
Similarly one may ask, what is a threadless labret?
The idea behind threadless jewelry is that the “screw” or threading of a barbell doesn’t go through the piercing. … You only need one labret post to fit multiple different threadless ends!
Regarding this, how do Threadless ends work?
Threadless jewelry became well known and perfected by a brand called Neometal. … How threadless jewelry works is the “design” or topper you choose for your piercing has a little pin on it that you bend slightly. This top fits into a hollow post and stays in place due to the tension from the bend on that pin!