Why you need ProMediaGear Accessories for Brackets?
The ProMediaGear bracket system is modular. Unlike regular Arca compatible plates, ProMediaGear brackets have a steel pin system and threads for accessories.
That being said, ProMediaGear Accessories are interchangeable. One moment you can attach a flash bracket. The next second you can have an L-bracket attached.
If you have a ProMediaGear camera bracket and you need multiple accessories for different occasions then the accessories are worth checking out. It transforms a simple camera plate into a multi-use photography tool.