Technical Specifications
Shanks: It features 8.5" black steel cheeks (shanks) detailed with silver inlay and a decorative concho.
Mouthpiece: The bit has a 5.25" stainless steel mouthpiece.
Port & Roller: It is equipped with a hooded engraved copper port and a copper roller (often called a roller ball). 
⚙️ Functional Purpose
Saliva Production: Metals like copper are used to increase saliva, which improves sensitivity and helps the bit rotate smoothly in the horse's mouth.
Correction & Response: The hooded port and roller encourage precise cues and responsiveness, often making it a popular choice for show rings.
Leverage: As a curb-style bit with longer shanks, it uses leverage to apply pressure to the bars, chin, and poll of the horse