It is written in the Book of Armaments:
And the Lord spake, saying, "First shalt thou take out the Holy Pin, then shalt thou count to three, no more, no less. Three shall be the number thou shalt count, and the number of the counting shall be three. Four shalt thou not count, neither count thou two, excepting that thou then proceed to three. Five is right out. Once the number three, being the third number, be reached, then lobbest thou thy Holy Hand Grenade of Antioch towards thy foe, who being naughty in My sight, shall snuff it." Amen.
... and that seemed to be a good opening for last nights' curling lesson.
First game in the Fall league, and we were short, so we had a more experienced player as a substitute.
Her lesson for me was about counting.
Start counting at a steady pace as the rock passes the near Tee line, and stop as it reaches the hog line, then note where the rock stops. That will give you a measure of the weight, and where the rock stopped. Bigger numbers are lighter, smaller numbers are heavier.
When sweeping you can quickly judge how this rock compares to others (yours and the other rink), and when to start sweeping.
.... and you can use it to figure out how ice changes during the session.
As for the Monty Python quote above? Last night, two pretty much went right through the house, three was good, four could be swept into something useful, and five was right out.