I use string i start at the head pull the string along the body the cut it. Exact measurement.
0.1.0 Amels (sid) 1.0.0 carolina stripe (simon)0.1.0 ghost (silva) 1.1.0 diffused/bloodreds (scarlet and samson) 1.0 staffy x beagle soon to have female pin royal
I use the snake measurer too, I'm tiny and one of my snakes is as long as I am tall so I struggle with the string method trying to measure and keep snake under control.