Gold/silver shirt stiffeners
mother of pearl button, when shirt reaches end of lifespan, harvest the buttons
Gussets
Gussets aso serve a practical purpose beyond comfort. When sweat rots the underarm, you just replace it. Your tunic lasts longer before antiperspirants.
High armhole
Braces
Never show your braces, they detract from your outfit and they are so out-of-place in today's world you'll look costumey and people will forever regard you as the suspender's guy, also it's like a magican revealing his tricks.
Battledress
3-piece suits
by u/Alex0712
He was 18 when he self-drafted, cut and sew this suit together
I suspect his inspiration for the cut and posing was this illustration I found on Gentleman's Gazette.
Dress British think Yiddish
The well tailored suit in a city is like a nice biker jacket in the country. It will open more doors than you think
Pressing cloth
I used to use Hemline however,
Chemically treated cloth protects fabric and aids pressing garments for a proessional finish, 27 x 90 cm
Modular Shirt