Since President Trump’s inauguration in January, Pamela Love has received more requests for pieces from her Dagger jewelry collection than anytime since its introduction almost a decade ago. And Ms. Love, a New York-based designer, has no doubts about why her retailers and social media followers have renewed interest in the fierce-looking, but harmless, miniature daggers dangling from earrings and necklaces.

“Women want to feel tough,” she said. “They want something that reminds them they are tough, and they want something that shows the world they are tough. It’s not about violence. It’s about feeling strong and protected.”

Jewelry, that peculiarly intimate accessory, has long been associated with protection, whether spiritual, emotional or even physical. “Clothing can be a form of armor as well, but jewelry is more personal,” said Hannah Martin, a jewelry designer in London. “You wear it next to your skin, and it imbues more of that strength than, say, a tailored jacket.”

Marion Fasel, a New York-based jewelry historian and founder of the online jewelry magazine The Adventurine, agreed: “It’s a history that stretches back to the dawn of time and across cultures, from prayer beads and amulets on.”