Originally Posted by
xenologer
while a T connector doesn't exist as a bike specific branded product
surely the hydraulic hose used in bikes is a standardized item borrowed from other industry
legitimate connector devices will exist there
Sure, but when you squeeze a lever, the fluid will take the path of least resistance. That will be to go to the other brake lever, not the brake. Dual controls in hyrdaulic systems are complicated, or they're mechanical (or electrical) ways of operating one control.