Peace of Glass in Food

We went to Clear Water Spur and ordered a Lazy aged Steak with Pepper sauce. First bite nothing was wrong...Second bite I just felt something hard. After the third chew I took out a small piece of glass out of my mouth. Because I chewed it there were now smaller pieces in my mouth. Our waitress then asked if she can bring me another piece I said no because there might be glass in the other sauce as well. She insisted that I take another one but we can take it as a take away. The manager then give me a Draught on the house. Monday we had Burgers there and then decided to return on Thursday. I must compliment the waitress Lindi. She made it special for us when we arrived there she reserved our table and even remembered our drinks. But all her hard work went down the drain.