DIY Collar Microphone (How to make cheap collar Mic)

DIY Collar Microphone How to make cheap collar  ...  iss video mei aap apne hi ghar par mic banana sikhenge. Bahut hi asaan hai mic banana Sirf 5 minutes mei aap isse banna sakte hain or apne you tube channel par ya kahin bhi jahan aapko apni awaaz r