Roller loader with suction cup for easy loading and mounting of watercraft on vehicles. Acts as a Load Assist for mounting kayak. Kayak loader function: enables loading a kayak, canoe or surfboard with reduced effort. Serves as boat support tool during handling and positioning. Durable boat roller: built to last and capable of bearing up to 40 kg, providing reliable support during loading and unloading. Wide compatibility: kayak roller is compatible with most car roofs and rear windshields, making it suitable for a variety of vehicle types and rack setups. Key benefits: Reduces lifting strain and protects both vehicle and watercraft during mounting. Simple suction cup attachment for quick setup and removal. Broad compatibility means fewer accessories are needed for different vehicles. Solid, dependable performance for common watercraft such as kayaks, canoes and surfboards. Use scenarios: Weekend trip preparation: attach to the car roof, roll the kayak onto the rack, and secure it for transit. Campsite transfer: move a canoe from the vehicle to a storage area or launch site with controlled loading. Coastal surfboard transport: load a surfboard onto a car roof for a day at the beach or a road trip along the coast. Practical note: Designed to function as a load assist for mounting watercraft, helping users save time and effort when preparing equipment for transport.