I found some stuff from around Y2K on an old hard drive. This was just before Echo and Koxx started distributing widely, before trials specific parts were easy to find and while a UCI legal stock bike still had to have six "working" gears and a seat.
A bash/spider/ring combo I designed to integrate with XTR 952 cranks.
What happens to a King cog right before it breaks into several pieces
Like my "shifter"
six cogs, one's hiding behind the King.
one of many pad compounds I tested and developed in conjunction with 5.10