I think they're called 'little hooks for hanging things on', Bob. 
Did you think to look for any markings on the base of the bulb while you had it out, in case you need to find a replacement in the future?
It may be a thermistor (or a bulb being used as a thermistor) but why, I have no idea.
Did you think to look for any markings on the base of the bulb while you had it out, in case you need to find a replacement in the future?
It may be a thermistor (or a bulb being used as a thermistor) but why, I have no idea.
