Their focus can block everything and everyone else out, they can pass you in the hallway and never even see you.
They're the 'heavy heels' walkers.
You'll have a Gladiator in your corner if you give them winning results, and don't waste their time.
DISC SALES CLUE:
Don't try to chit-chat or talk in circles with a High D...they'll eat you alive.
They will tell you what they want.
If you have it, sell it; if you don't, tell them so directly.
You don't have to think about 'closing' a High D...they close themselves [and fast!]