How Do You Remove The Plastic Cap Stuck On A Tire Valve?

What is this red thing that stops me from taking out the valve

Bell Automotive Grenade Green Valve Stem Cap

AUTCOAT 4/8Pcs Tire Valve Stem Caps, Aluminum Tire Valve Cap

Removing stuck valve stem caps the easy way

Take heed and hear my lesson on valve stems

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Bike Valve Bicycle Valve Valve Alloy Bike - Temu

How To Take Off Stuck Corroded Metal Tire Valve Cap Covers

ADVANTAGES: Tire valve caps with O-ring rubber seal for a more stable seal that helps prevent air leakage during long, hard drives and properly keeps

QILISEN Chrome Tire Valve Stem Caps 30 Pack, Corrosion-Resistant Plastic Tire Caps, Hexagon Design, Dust Proof, with Rubber Seal, Leak-Proof Air