Canon EOS R Quick-Release Plates | Really Right Stuff
Mcoplus EOS R Pro 2.4G Remote Control Vertical Battery Grip for Canon EOS R came | eBay
Amazon.com : Mcoplus as BG-E22 Multi-Battery Power Pack BG-EOS R Battery Grip with 2.4G Hz 100-Meter Wireless Remote Control for Canon EOS R Camera(Not for RP/R5/R6) Use LP-E6N/E6NH Battery(Battery not Include) :
PLCBGE22 Arca-Swiss L-Bracket for Canon EOS-R with BG-E22 Battery Grip – ProMediaGear
Canon EOS R Mirrorless Camera with RF 24-105mm F4 L IS USM Lens and Battery Grip BG-E22 - Mike's Camera
Amazon.com : Mcoplus Multi-Battery Power Pack BG-EOS R Battery Grip as BG-E22 for Canon EOS R Camera(not for RP/R5/R6), Use LP-E6N / E6NH Battery(Not use LP-E6,Battery not Include) : Electronics