As I had never used--nor did I know much--about rifflers, I suspected they would be of help in the detail/carving work I have been doing of late. So when I was at Woodcraft recently--I couldn't help myself--so I sucked up and ponied out roughly $80 for four rifflers--to give them a try--per the pic below:
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The two on the left are a rasp cut, with one being rounded-over on the sides and the other square on the sides; while the two on the right are a file cut, and again, with one being rounded-over on the sides and the other square
I have found them to be great for what they are--just minature rasps/files that let you sneek into the small areas. I'm not sure what brand I got--but eventually I'll have to get a whole set of these. (Joel at TFFW has some--but $$$).