Wherever your form changes direction abruptly, curve the juncture. Crawling can also result from applying the glaze too thickly, or applying the colors too thickly, especially the EZ colors. Glaze 'shivers off' during cooling. Cause is that the edges of the form are too sharp or thin. All edges should be rounded.
Color looks very dark, even metallic.
Color has been applied too thickly. Color areas are mat. Color has been applied too thickly. Color areas are weak, washed out. Color has been applied too thinly.