If cream of tartar is used along with baking soda in a cake or cookie recipe, omit both and use baking powder instead. If it calls for baking soda and cream of tarter, I would just use baking powder. Normally, when cream of tartar is used in a cookie, it is used together with baking soda.
Understand that the tie clip is traditionally placed between the fourth and fifth button of the shirt placket, midway between the pectoral and ab muscles. A younger, more rakish style of fastening men't ties is to tilt the tie clip at a 45-degree downward-facing angle between the third and fourth button on the shirt.
most of what you those things aren't hard rule. the tie clip, the tie tuck, no belt, those are all things that are optional and are legitimate styles. the tie clip should be small, tie tucks are a style that went away but is coming back, and no belt is a really modern look.