This may be my next fitness related purchase.
The one pictured might be a little fat but the RX Jump Ropes people make them in varying diameters depending on where your double under skills are. I really like the way the handle feels and the rope attachment to the handle seems to have a smoother spin than the speed ropes. I’m a little nervous to change though.
Go HERE to read more about them.
Maybe your double unders will look like this…
I get nothing from this company for posting this.