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What does the thumb thing do in baseball?

Author

Daniel Moore

Published Jan 16, 2026

It's purpose is to fill the gap between the oval shape of a cupped hand and the perfect cylinder of most wood bats. Hitters, and the company, claim it helps dampen sting on poorly hit balls and increase the girth of the bottom hand grip for a better overall feel.

What is the thing on a batters thumb?

Prohitter is worn on the thumb of the top hand holding the bat to increase bat speed and power. Used by the Pros! It also helps prevent getting stung.

What is the point of a ProHitter?

Improve your swing and gain power with the ProHitter® Batting Aid. Trusted and used by the Pros, this batting aid creates the correct grip technique to increase bat speed, power, and control. The ProHitter® Grip Aid also prevents bone bruises and stinging when you are jammed with an inside pitch.

Do MLB players use ProHitter?

Javier Baez' ProHitter Hitting Aid

Javy Baez, like so many other MLB hitters, wears the ProHitter hitting aid on his thumb. It helps the batter hold the bat in his fingertips rather than “choking” the bat closer to the palm, increasing bat speed. Its also said to decrease vibration on mishits.

What is that thing on Mookie Betts thumb?

How the thumb thing actually helps hitters. All along the ProHitter (which was the first commercially available hitting aid to be worn on the thumb) has touted its product as something that can help hitters increase bat speed, more power, and more consistency, but they never explained why.

33 related questions found

Does the ProHitter really work?

The Prohitter Batters Training Aid is helpful for hitters of all ages. Estimates show that over half of professional hitters use the thumb guard in some capacity which reflects the value it can bring to batting performances.

What do pro hitters do?

The Pro Hitter helps keep a firm grip on the bat at contact for more solid contact and increased performance. The Pro Hitter fits on the top thumb when batting with the rounded side in the web between the thumb and index finger.

Why do baseball players wear mouthguards?

Not only does the guard help with breathing, but it also optimizes bite and gets the lower jaw into its natural position. This stabilizes everything above the neck and aiming to align its wearer's entire body.

How do u hold a baseball bat?

The index finger from your bottom hand should be bent around the baseball bat but separate from the other 3 bottom fingers that are wrapped around the handle. Your knuckle should be pointing up the barrel. 3. Hold it in your fingers, trying to keep it out of the palm of your hand as much as possible.

Why do baseball players wiggle their fingers after a hit?

After a big hit, once the batter reaches base, they signal toward the dugout. They put one fist over the other and wiggle their fingers or crank their wrists. "It's just a reminder to keep our hands loose on the bat," said Willie Bloomquist.

What do batters put on their bats?

Pine tar, which is the sticky byproduct of a process of firing pine wood under pressure, has been a part of baseball for decades. Hitters are allowed to put it on their bats, to keep them from slipping out of their hands and flying dangerously at players on the field, or into the stands.

Why do pitchers use Vaseline?

Pitchers use the “sticky stuff”, like pine tar, to improve the grip and increase the ball rotation. With vaseline, it's the other way around, the goal is to inhibit the rotation. Basically, it helps them throw one of the toughest pitches in baseball, the knuckleball.

Do baseball players wear cups?

Generally, most baseball players wear cups depending on the fielding position played. Nearly all catchers wear protective cups; most pitchers and infielders wear them too; however, virtually all outfielders play without cups.

What is the thing in baseball players mouth?

Besides a habit, players chew baseball bubble gum because of many reasons. Chewing bubble gum helps them improve concentration, prevent dry out, reduce stress, etc. This article will cover the specific reasons why baseball players chew gum and the official bubble gum of MLB.

Do you need a mouth guard for baseball?

Mouthguards in baseball have not received the universal support they have in other contact sports. Currently the only sports that require a mouthguard are ice hockey, lacrosse, field hockey and football.

What do baseball players wear on their hands?

The player puts on a sliding mitt to prevent injury to one's hand. According to Dear Sports Fan, a sliding mitt is "a clever combination of two separate pieces of safety equipment that some baseball players wore to prevent injuries when sliding into a base."

What is Spider Tack baseball?

SPIDER TACK. The goop-du-jour in Major League Baseball was originally made for strongmen to lift Atlas Stones. It's almost as sticky as super glue, and it took two throws to even get the ball to the plate. The first one was spiked after 35 feet.

How is Spider tack used in baseball?

Why do pitchers use Spider Tack? It's one of the most effective illegal substances, and it allows for improved grip and friction, which can markedly accelerate the spin rate of pitches.

Why do the Dodgers wave their hands?

Many teams celebrate home runs by doing their own special routines. Some do hand gestures, some dance. The Los Angeles Dodgers like to celebrate with bubbles. When one of the players hits a home run, a machine in the dugout shoots out bubbles.