naked raku - not quite naked

naked or resist raku:
we applied a separating slip to bisqued ware and then a clear crackle glaze over it. we were supposed to burnish the green wear but we had already bisqued the pots. the separating slip was applied to clean bisqued ware, then we let dry and then over it the clear crackle glaze was applied.

separating slip (used in the picture):

fire clay 50
china clay 20
grog (60 mesh) 20
potash feldspar 10

[tim andrews' recipe]
use only over a surface with terrisigilata slip and burnishing;

china 50/60
quartz50/40

clear transparent crackle glaze (used in the picture):

borax 75
quartz 30
bentonite 5