 "Manfrotto 502HD Pro Video Head w/ Flat Base MVH502AH" " Manfrotto MVH502AH For sale! - EuroOptic.com
"This Manfrotto 502HD Pro Video Head with Flat Base has a 3/8-16" Connection and is designed for use with HDSLR cameras." 
 "GoPro Head Strap + QuickClip Mount"@en Mount ACHOM-001 - Filmtools"@en
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Head Strap is fully adjustable to fit all sizes
Can be worn over a helmet or directly on your head in a headlamp-like position
QuickClip allows you to attach your GoPro to a 3mm to 10mm thick object
Enables ultra-compact, low-profile mounting
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