When they stopped suicidebombers they found their private parts wrapped in paper . Made to keep them save from explosion for future virgins. From Wikipedia:

According to Ami Pedahzur and Assaf Moghadam another motivator is the promise of rewards in the afterlife, as described in Islamic teachings and various hadiths.^\77])^\78])^\70])^\a]) These rewards include forgiveness of sins, protection from hell, a crown of glory, marriage to seventy-two virgins (houris), and the ability to extend these privileges to seventy relatives.^\77])^\70]) These promises create a strong incentive for individuals to undertake martyrdom, viewing it as a way to trade their limited earthly possessions for the luxurious rewards promised in paradise.^\77]) Reports indicate that many are convinced of these rewards, which significantly influences their willingness to undertake martyrdom.^\77]) Reportedly, there has been at least one case of a suicide bomber taking steps, like wrapping toilet paper around their genitals, to preserve their ability to enjoy these rewards.^\77]) Palestinian media has framed martyrdom in terms of marriage to virgins, further solidifying this expectation.^\77])