Madagascar Hissing Cockroach on a Leash! By Pocket Pets No more worries of your Hissing Cockroach escaping! Now they have an attached rubber harness that fits tight and does not come off. Your pet Madagascar Hissing Cockroach can now go everywhere with you! The paracord leash is attached with a locking clasp that stays connected until you are ready to take it off. They can spend the day with you on your shoulder or hidden under your shirt. Harnessed Hisser, Paracord Leash, and Lanyard