7 perks fast-food chains are offering as they attempt to win over workers in the war for talent

• Fast-food chains like McDonald's, Chipotle, and Taco Bell are desperately trying to hire and retain workers.
• US unemployment is hovering near its lowest point in decades, hitting 3.7% in June according to government data.
• Chains are adding new perks to win over workers, such as Shake Shack which is testing a four-day work week and Chipotle's new bonus system.
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Fast-food chains are desperately seeking workers.

With US unemployment hovering near its lowest point in decades, hitting 3.7% in June according to government data, companies are scrambling to win over employees.

While retailers such as Amazon, Target, and Costco have raised wages, restaurant chains have primarily focused on perks.

Read more: Jeff Bezos called for Amazon's competitors to raise their minimum wage. Here's how retail rivals like Walmart, Target, and Costco stack up on worker pay.

Some perks are more common, such as flexibility in hours and career coaching. Other chains are thinking outside the box, such as Shake Shack, which is testing a four-day work week, and Chipotle, which is adding a new bonus system.

Here are some of the best perks that fast-food chains have rolled out over the past year: