bubble glaze technique - Dip entire piece in glaze color #1. In tall yogurt cup mix 1-2 inches of glaze #2 with one squirt liquid hand soap. Using a regular drinking straw, blow bubbles in the yogurt cup mixture until bubbles overflow and fall down one the pottery piece. Let glaze dry. Using flat hand lightly pop all the bubbles. Fire! You can also bubble on a third color if you'd like.