This L plate solved the microphone's issue, and it supports vertical shooting, with dual Arca Swiss you can change it easily as you want.

Features: 

• Dual Cold Shoe  Solved the microphone and LED light's problem
• Dual Arca Swiss  Make sure the vertical shooting and it's easily release
• Side Hole for Strap  Make it won't flip out 
• Anti Flip Rubber Pad Let your camera on it tie

What's inbox:

• L Plate
• Wrench