Write the stop distance before you write the size
A round lot feels tidy. It also hides the fact that two ideas with the same lot can risk very different money once the stop is measured.
Journal
Desk notes
Short pieces from the table: how a stop becomes a size, and what a risk card is willing to hold.
Marking invalidation from the swings you can see
An invalidation level is the price that proves this idea wrong: one swing you can point at, with the stop sitting on it.
A worked size from a cash figure and an eight-point stop
The numbers below are a classroom example for the division only, using a made-up point value.
What a one-page risk card holds, and what it leaves off
The card is a measuring note you can reread before an order: six lines, then the page is full.