A system for connecting modular walls includes a position retention mechanism configured to releasably retain a plurality of wall modules together. In one implementation, the position retention mechanism includes opposing front and back surfaces or walls, and one or more channels formed therebetween. The position retention mechanism is further configured with a plurality of spring tabs positioned within the one or more channels, wherein the spring tabs are configured to lock into a plurality of opposing connector interfaces corresponding to the opposing wall modules, such that the positioning retaining mechanism secures adjacent, opposing wall modules together. The position retention mechanism can further be configured with different surfaces to connect or hold a variety of components of various shapes together.