This has been removed from Heroes of the Storm. 
The Riding Crop were a trinket-type artifact in Heroes of the Storm. It increased mount speed by 2% per rank, up to a maximum of +20% at rank 10.[1]
Quotes and Facts
The Riding Crop is a trinket in the Warcraft setting.
References[]
- ↑ 2014-07-21, INTRODUCING ARTIFACTS. Blizzard Entertainment, accessed on 2014-08-03