Even the term "trained" or "untrained" is somewhat misleading here.
The product itself is okay; processing works well and has not kept its promises.
+ Low
+ Solid manufactured
+ Convenient & easy
+ Handles rotate easily; important for Curls etc
- Very smooth
- Handles are made of hard plastic and can be quickly slippery
- Handles are simple round; no recesses for bessereb handle
- Could use some quality / act noble