Merrin going to the sin bin takes the longest angle to the sideline he could then walked up the sideline before eventually getting off the field.
Pretty simple really. 30 seconds to get off or the yellow cards turns into a red or a automatic missed suspension next week.I remember Harawira-Naera did the exact same thing against us last year. Nothing more frustrating as an opposition fan, just get off!
It's become a real trend, they'll implement a shot clock (another one!) for it soon I bet.