One exception, already noted above, concerns the thermal qualities of hot and cold. But even here, little attention has been paid to the metaphysical nature of these qualities. This is understandable, given that touch seems to bring us into contact with ordinary material objects and their properties. There doesn’t seem to be any serious worries about the nature of solidity, texture, vibration, and the like. There is an important question about the structure of felt tangible qualities, however. How are these ordinary tangible features represented or experienced?