Season 9

Season 9 Episode 4

4 Mins read

Shark Tank season 9 episode 4 introduces professional football player Rob Gronkowski and his brothers pitch an insulated sports bottle; a tool that quickly soothes foot pain; a twist on a popular snack; an innovative way to keep belongings safe.

Season 9 Episode 4 in depth

Guest sharks this season include Spanx founder Sara BlakelyVirgin Group founder Richard Branson, brand marketer Rohan Oza, TV personality Bethenny Frankel, and former MLB star Alex Rodriguez.

In this season 9 episode 4, the guest judge is Alex Rodriguez.

Alex Rodriguez

Alexander Rodriguez is an American former professional baseball shortstop and third baseman who played 22 seasons in Major League Baseball (MLB), as well as a businessman and philanthropist.

Alex Rodriguez joined ESPN in 2018 as a Sunday Night Baseball analyst.

In July 2020, it was announced that Rodriguez would be part of the judging panel for the Forbes’ Next 1000 list, a franchise which focuses on entrepreneurs from marginalized communities.

Rodriguez formerly owned a Mercedes-Benz dealership in League City, Texas, and in his free time, Rodriguez buys and collects art. He is an investor for eSports team NRG Esports.

Source: Wikipedia

Alex Rodriguez
Photo: Arturo Pardavila / Wikipedia

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We listed below every entrepreneur and business who has appeared on Shark Tank Season 9 Episode 4. Many scammers claim they’ve received big investments from the Sharks or they have been on the show. They were not actually on Shark Tank if you don’t see a business on this list. Some of the top places you can use to check are on Wikipedia and also ABC’s episode guide.

List with all the appearances in season 9 episode 4:

Shark Tank Air Date: 10/15/17 – Season 9 – Episode 4

Photo: Amazon

BenjiLock – Padlock With Fingerprint Sensor

$200,000 for 10%$200,000 for 15%Kevin O’Leary

Entrepreneurs: Robbie Cabral

Benjilock is a company from Los Angeles, CA, that makes a unique padlock with fingerprint and key unlocking. BenjiLock is the World’s First Traditional Rechargeable Padlock with Fingerprint Technology.

BenjiLock can reportedly last a year on a single charge. It also comes with a set of physical keys, just in case you’re having trouble with the fingerprint reader, the device runs out of battery, or you simply need someone to unlock it when you’re not available. If someone attempts to unlock it without your approval, the device will even automatically wipe your info and require keys. 

The Benjilock houses up to 10 fingerprints and comes with two traditional keys. Benjilock is suitable for indoors where you might use a traditional padlock, such as the gym, school, or on a backpack. 

Solemender Cold Foot Massager
Photo: Amazon

Solemender Cold Foot Massager

$75,000 for 10%NO DEALNO SHARK

Entrepreneurs: Ehan Kamat and Vinay Kamat

Unlike traditional foot rollers and massagers on the market today, the Solemender uses an innovative design to treat painful foot conditions. The all-inclusive device utilizes a removable and re-freezable roller to simultaneously cool and massage the sole and heel. Doctors typically recommend cold and stretching to initiate treatment of foot pain. The patent-pending Solemender offers both treatments in one portable unit.

Solemender is a company from St. Louis, MO, that has invented a new device to make feet more comfortable.To alleviate foot pain, the entrepreneur behind Solemender has created a device with frozen metal rollers that cools as it massages when users roll their feet across it.

Applying varying degrees of pressure and angling the foot in different positions can also have benefits often realized with reflexology, which targets pressure and trigger points found in the feet. 

Delighted By Hummus
Photo: delightedbydesserts

Delighted By Hummus – Sweet Dessert Hummus

$600,000 for 12%$600,000 for 25%Mark Cuban

Entrepreneurs: Makenzie Marzluff

Delighted By Hummus is created by a certified nutritionist, Makenzie Marzluff. In the 13 months since they hit store shelves, they have done $1 million in gross sales.

The usual garlic and lemon of hummus are replaced with cinnamon and vanilla beans. The product is not available for purchase online, but you can find it in big retailers like Whole Foods and Walmart. Another option is to use the store locator on the DelightedbyHummus website to find a store near you.

Delighted By Hummus currently offers 4 delectable flavors: Vanilla Bean, Snickerdoodle, Choc-o-Mint and Brownie Batter. They are all vegan, gluten-free, dairy-free and all natural. 

Ice Shaker Insulated Protein Shaker Bottle
Photo: Amazon

Ice Shaker Insulated Protein Shaker Bottle

$100,000 for 10%$100,000 for 15%Mark Cuban and Alex Rodriguez

Entrepreneurs: Chris Gronkowski

Ice Shaker is a company from Dallas, TX, founded by an athlete that makes a new kind of shaker bottle designed to keep drinks cold.

The Ice Shaker is a double walled, insulated sports bottle that can keep ice for up to thirty hours. In addition to keeping drinks cold, the entrepreneur also claims that it will not sweat even when outside in hot weather. It’s also claimed that it will not retain taste or scent of previous beverages.

Ice Shaker’s sturdy leakproof BPA free pop top is easy to open while still being secure enough to close and shake. The Ice Shaker’s double-wall vacuum insulated bottle will hold ice for over 30 hours in a 75-degree room.

Shaker is also perfect for the office, traveling, the pool, the beach, tailgating, hiking, camping, hunting, yoga, sporting events, parties, or anywhere else you might go! So you don’t drink protein powder shakes? The Ice Shaker bottle is also perfect for water, smoothies, beer, ice tea, martinis, cocktails, iced coffee, pre-workout, BCAAs, aminos, energy drink mixes, chocolate milk, almond milk and more!

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Watch full episodes of shark tank online with Amazon Video


Executive producer Mark Burnett and Sony Pictures TV and bring another season of the business-themed reality show Shark Tank where major investors, aka “sharks” pitch business ideas from contestants. The show is based on the Japanese reality show “Dragon’s Den.”

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