[Spridgets] Bolster chisel

[Michael Rowe]

One of the restoration manuals mentions a bolster chisel, which in the book appears to be shaped like a wood chisel - thin and flat on one side.  I once had a small one of these with a handle bent upward for cutting flush, now long lost.  I have not been able to find a metal-cutting chisel that is either flat on one side or very thin.  Is there another name for this kind of tool?

Michael Rowe
'74 Midget
'60 Sprite kit
Long Island, NY