Understanding which hardware you wear determines the correct mechanical response. The following breakdown outlines the three most common flat back mechanisms found in studios today.
| Fastener Mechanism | Primary Locking Cause | Studio Disengagement Action | Average Retention Force |
|---|---|---|---|
| Threadless Push-Pin | Over-bent pin shaft wedged against internal labret wall | Pin-axis micro-twist combined with outward pull | 2.5, 4.0 lbs of straight pull force |
| Internally Threaded | Cross-threading or biological debris locking thread grooves | Counterclockwise rotation while securing flat disc | 1.5, 3.0 lbs rotational torque |
| Clicker / Segment Ring | Hinge corrosion, calcified crust, or misaligned clasp | Radial outward pull at designated segment seam | 1.0, 2.0 lbs outward snap force |