tripod - What is the point of the depressible peg on a quick release plate? - Photography Stack Exchange
Amazon.com: 2 Pieces Metal Quick Release Plate with 1/4''-20 Camera Screw Tripod Mount Plate Fits Standard for DSLR Camera Tripod Ball Head, Black (PU50) : Electronics
Quick Release Plate with 1/4'' Screw and Rubber Grip - 200PL | Manfrotto Global
Quick Release Plate for Dynex 60L Tripod model DX-TRP60 (DXTRP60) Shoe QR Plate | eBay
Apex Mini Rapid Quick Release Plate - Apex Digital
Gitzo quick release plate, square C - GS5370C | Gitzo Global
Buy - Ronford Baker Large Quick Release Plate (p/n RF.80003)
Tilta Manfrotto Quick Release Plate Adapter for Tilta Float Stabilizing Arm