How to remove O2 sensor

[CB1100AZ_imp]

OEM socket or:

http://cb1100forum.com/forum/showthread....light=tool

Thanks
Like I said I know how to make the modification to the socket in order to make the tool to remove the sensor. I am wondering whether I need to remove the sensor with the header and then remove it from the header or can I remove the sensor from the header before I remove the header from the bike.