Craftsmanship in Wood

I presume you are referring to the variation where the tenon is shouldered on the uphill side.

I also have not seen it described in any books. I think it is a good way to detail the connection, no doubt.

Chris Hall wrote:I presume you are referring to the variation where the tenon is shouldered on the uphill side.

Yes indeed I am sorry if that was unclear.

No worries