The holder allows for quick adjustments if needed and securely holds the paddle in place. I have an Ascend 240cm paddle and haven’t had an issue with tipping or the grip using a single holder. This style holder is much better than bungie or hard plastic holders that I’ve used in the past.
https://www.amazon.com/Yakattack-RotoGrip-Paddle-Holder-Track/dp/B016LFDCGQ