Before you throw them away cut some pieces out of old plastic oil containers.You can use these as protectors for your rims.Even old Plastic milk containers will do.
In fact you can do a Twofer,
http://www.pdsrecording.site90.com/cxgl500/OilChange.htm
oil change draining container
HTH
In fact you can do a Twofer,
http://www.pdsrecording.site90.com/cxgl500/OilChange.htm

oil change draining container
HTH
