Bungee cord secures the Shore Spike in the closed position when not in use.

Shore Spikes are color coded;

Yellow handle - small, requires a 'small' bungee cord.
Red handle - large, requires a 'large' bungee cord.
Blue handle - extra large house boat spike uses a 'large' bungee cord.

Note: Bungee Cord is included with the purchase of any Shore Spike.