Minn. Stat. § 514.77

Whenever any article of wearing apparel, bedding, linens, flatwork and household furnishings, shall be left with any person, firm, or corporation for the purpose of being repaired, altered, dyed, cleaned, pressed, or laundered, such person, firm, or corporation is authorized to retain possession of said wearing apparel or garment until the amount due on the same for repairing, altering, dyeing, cleaning, pressing, or laundering by contract shall be fully paid off and discharged. In case no amount is agreed upon by contract, then said person, firm, or corporation shall retain possession of such wearing apparel or garment until all reasonable, customary, and usual compensation shall be paid in full.