How to Make Glaze Test Tiles John Britt

In this http://ceramicartsdaily.org video, John Britt demonstrates how to make a variety of test tiles. Buy John’s instructional DVD Understanding Glazes: How to Test, Tweak & Perfect your glazes at https://mycan.ceramicartsnetwork.org/s/product-details?id=a1B3u000009ugnyEAA