The core of the hoop allows it to be a bit springy - so it's easy to put on and leave on. You can use the backings, but can definitely get away without them.
Diameter - 20mm. Twist detail is 3mm thick.
The core of the hoop allows it to be a bit springy - so it's easy to put on and leave on. You can use the backings, but can definitely get away without them.
Diameter - 20mm. Twist detail is 3mm thick.