YakAttack Kayak Stake-Out Pole

From the Amazon Listing

• UNIVERSAL TOOL HOLDER – Securely holds fishing rods, paddles, ParkNPole, and tools up to 1.25" diameter with adjustable positive pressure.
• THREE-POSITION DESIGN – Open mode for staging, Closed mode with retention band for firm grip, and Locked mode for maximum security.
• CLICKTRAC COMPATIBLE – Attaches exclusively to the Yak Attack ClickTrac Rail system for easy slide-on, slide-off mounting and repositioning.
• MARINE-GRADE DURABILITY – Injection-molded from UV-stabilized polymers with rubber bumpers for quiet, smooth operation in saltwater or freshwater.
• SINGLE-PACK SPARE – Ideal as a replacement or add-on holder; compact dimensions (2.75” x 2.125” x 3.75”) keep your setup lightweight and efficient.