This are my rules:
_Don't wear solid ties;
_Don't wear lilac ties, lilac pochettes;
_Don't wear green;
_Don't mix bespoke and made to measure. If I am wearing a bespoke suit i wear bespoke shirt, tie, shoes, coat etcetera.
_Don't use too much red colour, avoid when possible in ties;
_Don't wear a linen odd jacket with linen odd trousers;
_Don't wear single vent jackets;
_Don't wear a Regimental Tie if you don't belong to a specific Regiment/University. This bring me to next rule:
_Don't wear regimental ties;
_Don't wear loafers without socks;
_Don't get out of home with monk shoes with unfastened buckles;
_Don't wear collar pins;
_Don't show socks while standing still, wearing a suit;
_Don't put coins, keys, cellphone, or any other item in coat "lower" pockets. Use the inner pockets for coat wallet (which I ask my tailor to cut on this purpose). Use trouser's pockets.
_Don't wear black shoes with blazer;
_Don't use white cotton handkerchief in your coat's brest pocket. Use silk instead.
_Tie only four in a hand.
_Wear black ony for dinner jacket
_Don't get out of home with mat shoes. They have to be mirror polished.
_Don't wear blue blazer and white pants in city. Leave it to te sea.
_Don't wear boots in city. There is nothing to climb. The only reason to wear boots in city is if it's 20 cm snow on the ground...
This is what came to my mind....