I Found a Mysterious Object in My Girlfriend’s Room—and It Turned Out to Have a Surprisingly Practical Purpose

was a thigh exerciser, also called a pelvic-floor or inner-thigh trainer—a piece of compact fitness equipment designed to strengthen the inner thighs, hips, pelvic floor, arms, or chest through resistance exercises.

Many people use these devices during home workouts because they’re lightweight, portable, and easy to incorporate into short exercise routines.

Depending on the exercise, users squeeze the padded sections together with their thighs or hands to build muscle strength and improve stability.

Once she explained it, everything made sense.

The padded handles.

The flexible resistance.

The ergonomic design.