This Battery Grip for the Nikon Z6 and Z7 Adds a Second Shutter Button | PetaPixel
Nikon Z6 Mirrorless Digital Camera with 24-70mm Lens Professional Bundle W/ Bag, Extra Battery, LED Light, Mic, Filters, Tripod, Monitor and More - (Intl Model) - Walmart.com
Battery Grip Pack as MB-N10 Replacement for Nikon Z6 Z7 Camera, Support Vertical Shooting, Works with 2 EN-EL15a Rechargeable Li-ion Batteries ( Battery Not Included) - Newegg.com