Just go to Weebill S and it is recommended to buy an extra grip. Works well. I'm new to videos so not sure what to say about this as I've only used it twice. Super light. Almost too easy doesn't seem strong, but it is.
Pros
(2) - High quality and high strength: High quality carbon fiber body, comfortable to the touch. Heavy duty to support your gimbals, if the length is not enough you can get two or more