Derek,

You wrote:

> Some prefer skew chisels. I find that these need a shallow angle (20 degrees),
> otherwise you are forced to skew the chisel to slice a cut. Much better - my 
> preference - is a fishtail chisel. These just need to be pushed into the
corner.
> So much cleaner and less damage than a 1/8” chisel! :)
> 
> http://www.inthewoodshop.com/Furniture/TheLastDovetail_html_m3cc2ab80.jpg


That fishtail chisel looks like just the thing for cleaning out between the
widely-separated pins. What do you use to clean out between the narrowly-
separated tails?

Chuck Taylor
north of Seattle USA