When you tried to use a gutter for something other than water. maybe for training.

When you train just because you can.
When you train when you think you have to.
When you train when people wanna train.
When you train to get better at training.
When you train to train others.
When you train because your bored.
When you train to train to better your training.
When you train for physical attributes.
When you train for mental attributes.
When you train for PK and flow in general.
When you can train and not wear yourself down.
When training is fun.
Thats PK in my eyes. I love to train. Especially on gutters.