Kaohi x Foil Drive Wrist Leash for Throttle Controller

The Kaohi x Foil Drive Wrist Leash for Throttle Controller is a collaboration between Kaohi Grip Leashes and Foil Drive, purpose-built to tether a Foil Drive handheld throttle controller to the rider's wrist. Kaohi, a brand based in Encinitas, California — whose name comes from the Hawaiian word for "control" — produces leashes for surfing, wing foiling, and prone foiling disciplines. This particular wrist leash pairs Kaohi's adjustable neoprene cuff design with a nylon lanyard sized specifically for the Foil Drive controller, giving riders a secure attachment point so the controller stays within reach during hands-free riding. The leash was redesigned in May 2024 with updates to the cord and the controller connection point.

• Cuff closure: Stainless-steel slide with adjustable hook-and-loop
• Cuff padding: Neoprene
• Lanyard material: Nylon
• Compatibility: Foil Drive Assist, Assist Plus, Assist MAX, Assist Slim, and Fusion systems
• SKU: FD085
• Note: Not a quick-release system; controller sold separately

This leash is aimed at riders who use a Foil Drive electric assist system on their foil board — whether they're wing foiling, prone foiling, SUP foiling, or downwind paddling with motor assistance. It addresses a common concern: losing grip on the wireless throttle controller during transitions, wipeouts, or hands-free gliding when the controller is not actively in hand.

Because the Foil Drive system spans a wide skill range — from newer foilers using electric assist to get up on foil, to experienced riders who rely on it for catching bumps or extending sessions in marginal conditions — the wrist leash is relevant across ability levels. Any rider who wants added security for their throttle controller rather than relying on grip alone will find it useful. The one-hand tightening mechanism on the cuff is a practical detail for on-water adjustments when the other hand may be occupied with a wing or paddle.

Kaohi produces a broader range of foiling and surfing leashes, including coiled board leashes and bungee-style wing leashes. The Foil Drive wrist leash sits apart from those products as a controller-specific accessory rather than a board or wing tether. Within the Foil Drive accessory catalog, this leash is sold as an optional upgrade over the standard lanyard that ships with Foil Drive controllers, offering a more adjustable and padded cuff design.

At roughly USD 28, it's a low-cost add-on relative to the Foil Drive system itself. Riders comparing options should note that generic wrist lanyards exist, but this version is co-developed with Foil Drive and fitted to their controller attachment point. For those already invested in the Foil Drive ecosystem across any of the compatible system variants — Assist, Assist Plus, Assist MAX, Assist Slim, or Fusion — it's a straightforward accessory that doesn't require adapters or modifications.