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Potbelly serves up free shakes

September 6, 2018

Potbelly Sandwich Shop is offering free shakes today through Sunday, according to a press release, to customers who say #FreeShakeFriday upon ordering.

Potbelly Perks members will receive the #FreeShakeFriday perk in their Potbelly Perks accounts to use with their entree purchase, but the offer is open to all customers as long as they say #FreeShakeFriday when ordering.