Be ready’: New bra design conceals knife, pepper spray for protection After being someone tried to grab her while jogging. Jennifer Cutrona of Texas developed and patented a "self-defense bra, called “Booby Trap Bras.” The bra contains a sheath which can store a very small knife for protection. Also she developed a bra that could hide pepper spray. The concealed knife bra sells for $54 and the pepper spray sells for $49. http://wtvr.com/2016/03/15/be-ready-new-bra-design-conceals-knife-pepper-spray-for-protection/ “If I were to be killed senselessly on a trail for somebody's thrill, how bad it would impact their world?!” Cutrona said. 'Cutrona believes women should prepare for the worst when they go out to run alone.' .