Amazon.com : CyclingDeal Adapters Cages or Cleats Removal Tool - Compatible with Shimano SPD-SL Pedals and Venzo Brand Spin Bike Pedals - NOT Designed for Peloton Pedals - NOT for Look Pedals :
How To Remove Bicycle Pedals - The EASY Way! - YouTube
How to Install Clipless Pedals | Guide to Clipless Bike Pedals
How to remove a SPD platform adapter from a pedal
How to remove a SPD platform adapter from a pedal
8 Steps to Loosen Stuck or Stripped SPD Cleat Hex Bolts - Mechanical Monday