You may have noticed that ATVs come almost exclusively with thumb throttles rather than twist throttles, and there are some specific reasons why.

Jacob Pina is proud of his 4 1/2 inch right thumb, showing it off to DailyMail.com. The 20-year-old from Westport, Massachusetts, says it comes in handy when playing video games.

7 A student has won the internet with his five-inch thumb Credit: Caters News Agency But he has been proudly showing it off on social media and winning thousands of admirers around the world.

Jacob Pina, 23, from Westport, Massachusetts, went viral on TikTok after showing off his giant thumb (pictured), which he claims he can extend and retract.

He’s the talk of TikTk and there’s a specific reason why - his surprisingly long thumb. Pina has been sharing videos of his five-inch-long thumb and has gone viral thankt to it.

Keeping pace with this demand, Ride1Up has amped up its Roadster V2 Gravel Edition by integrating a thumb throttle—a move that sets it apart in the realm of budget-friendly e-bikes.