Primitive entity for the player space..
<a-player locomotion grabbing></a-player>a-player will ensure that it's populated with at least these entities:
<a-player>
<a-camera look-controls="pointerLockEnabled:true; touchEnabled:false;" wasd-controls="enabled:false;"></a-camera>
<a-hand side="left"></a-hand>
<a-hand side="right"></a-hand>
</a-player>If grabbing component is added, a-hand entities will be populated with a-glove entities..
Any of these entities can be overruled with custom properties and additional entities can be added..