Integrity
It helps the users with their Unicycle riding, for newbies the 2 metal poles with wheels act as a guide so that the rider does not fall easily.
Creativity
People made similar things for the bicycle, why not the unicycle? i take my hats off for this designer who came up with the idea, simple yet helpful.
Quality
Easy to install or remove, can be adjusted higher as the user gets better.
Monstarleong 
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