Positives:
+ Vibration-free mount (also on bumpy tracks very good grip!)
+ Perfect fit
+ The "Quick Fix" closing very fast solvability or strength
+ Flexible due to the ball joint
+ Backup tape, Stability enhancement (also held without very good)
+ Great quality, which "assured" even with 5 years warranty
+ Connectors accessible
+ Assembly tool included here
High-quality and especially protective shell for your smartphone! I like!