For boating, especially anchoring setups, having the right rope, chain, and splicing accessories is essential for safety and effectiveness. 

Rope Accessories:

1. Anchor Line: This is the primary rope used for anchoring. It should be made of durable material like nylon and come in various lengths and diameters to suit different boat sizes and anchoring situations.
2. Dock Lines: These ropes are used to secure the boat to a dock or pier. They should be strong and flexible, with enough length to accommodate tidal changes and boat movement.
3. Mooring Lines: Similar to dock lines, mooring lines are used to secure the boat to a mooring buoy or anchor point. They need to be strong enough to withstand the forces of wind and waves.
4. Fender Lines: Fender lines are used to secure fenders to the boat, providing protection against impacts with docks, other boats, or structures. They should be strong and easy to adjust.

Chain Accessories:

1. Anchor Chain: Made of galvanized steel for strength and corrosion resistance, anchor chains come in various sizes (usually specified by their diameter in inches) and lengths. It's essential to choose the right size and length of chain for your boat and anchoring conditions.
2. Chain Markers: These are small plastic or metal tags attached to the anchor chain at specific intervals (e.g., every 25 feet) to indicate how much chain has been deployed. This helps the boater keep track of the anchor rode length.
3. Chain Stopper: A device used to secure the anchor chain when the anchor is not in use. Chain stoppers prevent the anchor chain from putting undue strain on the windlass or capstan.

Splicing Accessories:

1. Fids: Fids are long, tapered tools used to open the strands of rope for splicing. They come in various sizes to accommodate different rope diameters.

Having the right accessories for boat rope, chain, and splicing ensures that you can maintain your anchoring and mooring systems effectively, enhancing safety and reliability while on the water.