These are the basic specifications for a metal cockring, materials, polishing agent, dimensions and manufacturing method.
The pattern is provided as is, and is NOT for commercial reproduction. Any use beyond producing up to 5 pairs for your own personal use is prohibited. Distribution of this PDF either privately or publicly is also prohibited. Please respect the amount of work that went into making this available for you. I made it all myself and it took dozens of hours.
Always be careful when cutting and/or sewing and follow proper safety procedures. As such this pattern is provided without any warranty for use whatsoever (to cover my bases). No refunds will be given under any circumstances.