Not sure if Marco permanently epoxied and weatherstripped the mask onto the front end, but I suspect he only uses it for those special occasions (e.g. weddings, bar mitzvahs and track days). When I had one, I used the full hood bra on road trips to reduce the volume of insect guts on the paint. More damaging are the effects of road debris thrown up by other vehicles as you tailgate others in the no. 1 lane.
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On the track, many owners apply yards of 3M painter's tape to the front end of their dual-purpose cars for temporary protection, or they forego any rock barriers and suffer the consequences, accepting pock-marked paint as "race patina".
In addition, an open trailered car with this type bra receives much protection from the exposure. We all know a flapping car cover isn't good for the paint.
I think replicating these is a good move on Marco's part. I've said this before about bras. As with car covers, they may not look aesthetic, but that's not the objective is it? Once removed, the car reverts back to it's original shape and shine. That can't be said for vehicles who avoid the added protection and accept the permanent blemishes.
Here's 1/2 (1/3?) of my current unsightly 2-piece bra. I use the other part, the bumper section, modified to match the oil cooler inlet, for full on bug assaults on long road trips and go naked otherwise.
Sherwood