Once you have a pick that can follow the curves like the key, picking it should be just as simple as any other lock. You certainly couldn't make the pick out o

Once you have a pick that can follow the curves like the key, picking it should be just as simple as any other lock. You certainly couldn't make the pick out of street-cleaner bristles! It isn't clear if you could do that with some other material (I'm thinking of a thick kind of flexible wire) or if you would need to make a similar type of chained pick. Depends on the force required I guess.