Next , iaido is a solo practice , and it 's very hard to understand that you 're working with ( against ) another person when that person is invisible .
Inevitably the slow ones turn and meet the fast ones coming the other way .
Iaido is a solo practice , and it 's very hard to understand that you 're working with ( against ) another person when that person is invisible .
Inevitably the slow ones turn and meet the fast ones coming the other way .