No sauce. No credibility.
That is NOT a "Nazi salute". It predates the Nazi party and was, like the word "gay" twisted to a new purpose.
In wood joinery, those are called "Dutchmen" and, while the bow-tie is most common, they can take on a variety of decorative shapes while still serving the same basic functionality. If the stone forms were poured, there would be no need for the Dutchmen.
When Bill said "I did not have sex with that woman" he was probably referring to Hillary.