Segmented fin elements adjust position to resolve stability and control trade-offs in rough water.
Segmented elastic ankle cuffs stabilize a tapered pull buoy, preventing rotation and leg sinking during swimming.
A semi-rigid tube assembly uses modular ball and socket joints to generate creaking sounds during bending.
Segmented base and cushion components provide stable infant support, resolving safety versus adaptability contradictions for home bathtub training.
Vibration hardware directs visually impaired swimmers toward a destination, resolving navigation errors and safety risks in indoor pools.
A semi-rigid body worn on the torso provides resistance and posture guidance during swimming.