Lavalier Microfon Clip Holder Mount

This is my design of a microfon-clip-holder for a Rode lavalier microfon or a similar microfon. I don't like this sloppy standard-(alligator)-clips because they dangle around when you are in move and you will hear nasty noise in your records.
I need it on my hiking-tours for recording with the camcorder so it should be possible to clip it on a strap of my backpack or on my shirt.
With this holder the microphone is securely attached and never touches the shirt.
The hole is tapered with upper d