How to pronounce “the elastic band” in English

in a U.S. prison, military prison in Virginia going on nine months, more or less solitary confinement. The latest thing they've come up with is to make him strip naked every nightand show up each morning in front of his cell naked because he apparently joked about the possibility that he could use the elastic band in his underwear to cause himself harm.Um, that's happening right now in our country. And I think he deserves his day in court.