The Quick Release Camera Plate from Photek is a quick-release camera mounting plate with a slip-proof pad on top and a 1/4 camera mounting screw.
Tripod Quick Release Plate
Universal / Generic quick release camera plates by Acratech
Photek, PhotekUSA, softlighter, Tiltall Tripod
Manfrotto MK055XPRO3-3W Aluminum Tripod with 3-Way MK055XPRO3-3W
Manfrotto MH293D3-Q2 3-Way, Pan-and-Tilt Head MH293D3-Q2 B&H
TRI-X-2500 - Horizontal Tripod Pole Extender For Top Down Shooting
Foba Studio Foba Balte Quick-release plate 1/4 - FotoFlits
1/4 Mini Quick Release Plate System for Tripod, Articulated Arm
This 496 Center Ball Head with 200PL-PRO Quick Release Plate from Manfrotto features an integrated RC2 quick release cam lock and a 200PL-PRO quick
Manfrotto 496 Center Ball Head with 200PL-PRO Quick Release Plate
Manfrotto XPRO 3-Way, Geared Pan-and-Tilt Head Kit with 200PL-14
Manfrotto MT190CXPRO4 Carbon Fiber Tripod with MHXPRO-BHQ2 XPRO