The versatile Spider-Cord™ with Hook and Carabiner is a heavy duty bungee cord. The versatile Spider-Cord™ with Hook and Carabiner is a heavy duty bungee cord. Ideally suited to applications where a semi-permanent connection is required at one end, such as attachment to generic tarpaulin eyelets and D-Rings, for camping or covering household goods. Carabiners can be connected to create a 2.4m length unstretched elastic cord or cords can be ‘daisy chained’ together for longer applications.