shadetree77, YES you can clear coat. Goggle " 1 SHOT PAINTS, CAN I CLEAR COAT", you will find directions there.
Basically you want to make sure the 1-shot is dry, more than 8 hours, the spray a couple LIGHT coats of clear, let dry per instructions, then a wet coat.
You will LOVE 1 SHOT paints.
Dale in Indy