For quick‎,‎ secure tie‎-downs that hold tension as long as you need it‎,‎ then release easily‎,‎ you can‎'‎t beat Supply Rubber Straps with Crimped Hooks‎.‎ Sometimes called kangaroo straps‎,‎ octopus or ‎"‎occy‎"‎ straps‎,‎ and also frequently referred to as bungee cord‎,‎ stretch cord‎,‎ shock cord‎,‎ or shock rope‎,‎ these heavy‎-duty rubber straps with crimped metal hooks are perfect for securing boat covers‎,‎ truck tarps‎,‎ tent covers and other camping uses‎,‎ keeping canopies taut and cargo in place‎,‎ and a whole lot more‎.‎