I did this with my door sills and I am just afraid if I do the front I'll mess it up and it won't look good. Those jobs look very good btw

 

Only bad thing about the clear bras is the still let rock chips through sometimes. I had one on my G35.. looked real good for a while till it got beat up then it started to show more. Most visible part is the line. Wonder how it work if you already have vinyl stripes on your car.

 

I would just use the blue painters masking tape and take it off on breaks and reapply unless you go straight through.

 

I've had the 3M clear bra on my 2001 Nissan Frontier which has a painted front fascia, and has been through minimum 7 New England winters, it still looks great.