The way I have my clip now is mounted on the left arm, snug against the housing.
When clipped off, there is no way to have the dome port come in contact with anything else. Also keep in mind that any external scratches on your dome will fill in with water and not be a factor. Not to advise you to beat up on the dome, but if you were to scratch the camera lens in the same way, you'd be tossing it out.
When clipped off, there is no way to have the dome port come in contact with anything else. Also keep in mind that any external scratches on your dome will fill in with water and not be a factor. Not to advise you to beat up on the dome, but if you were to scratch the camera lens in the same way, you'd be tossing it out.