Do you have a Windjammer that will fit over the microphone for the David Clarke headsets? (6000 series)
The best fit solution would be:
Description:Sennheiser MKE 400 Mini Windjammer
Order Code:055364
Web link: www.mymic.rycote.com/products/055364
This has a hook & loop fastener strap at the end which, will allow you to secure it to the microphone arm.