Forespar TruPlug
$19.95; www.forespar.com

Want assurance that you’re ready for a hull puncture? Check out the TruPlug by Forespar. This soft 9-inch by 5-inch conical foam rubber plug is a one-size-fits-all solution in an emergency. Twist it and push it into a hole and it will stop incoming water until you’re able to haul and make repairs.