The elastic snaps taut against their skin, leaving a satisfying sting as Emily and Lucy push their boundaries. They start with simple positions, but soon Emily's legs are wrapped around Lucy's waist, the elastic holding them together as they grind. Lucy's hands grip Emily's ass, feeling it clench with every thrust. They switch, Lucy on her back, Emily straddling her, the elastic around their waists keeping them connected. Emily rides Lucy, her breasts bouncing, until they both cry out, their bodies convulsing in shared climax, the elastic loosening as they collapse, satisfied and spent.