I recently saw a set with a scotch brace that looked like that.

Kirk from the Droid

On Oct 12, 2017 1:23 PM, "John Ruth"  wrote:

GG's


I am able to share with you the image of the seven notched bits for either
a multi-tool or an early brace which I encountered at today's early-morning
flea market:


https://kirkhmb.smugmug.com/Woodworking/Other-Galoots/John-Ruth/i-VdWKgm4/A