From
http://www.bbastrodesigns.com/cot/mechanic.html, apparently these are sourced from the local hardware store
http://www.bbastrodesigns.com/cot/ch...ring_ideas.jpg
Anyone ever seen any??
Also the roller drives seen here closest to the dob base, has anyone seen these anywhere before, google not much help
http://www.bbastrodesigns.com/cot/rollerdriveaz.jpg