To be fair, it doesn't mention lube. You can cut the friction which is resisting the aerodynamic force trying to move the bead up onto the shelf by at least 90% with just water as a lubricant. Depending on the weather, phase of the moon, whether you're in the northern or southern hemisphere etc., you might want to add a very small amount of soap as a wetting agent.
To be fair, it doesn't mention lube. You can cut the friction which is resisting the aerodynamic force trying to move the bead up onto the shelf by at least 90% with just water as a lubricant. Depending on the weather, phase of the moon, whether you're in the northern or southern hemisphere etc., you might want to add a very small amount of soap as a wetting agent.