What Are PopSockets? PopSockets are expanding grips and stands that attach to most phones tablets and cases. Add a single PopSocket or a pair of PopSockets to the back of almost any mobile device to transform its capabilities. PopSockets "pop" whenever you need a grip a stand an earbud-management system or just something to play with. Remove your PopSocket by pulling slowly on the base; you can reposition and reattach time and time again. Youll always have the exact grip or stand you need.