"Weekly maintenance spanking. Get ready."
He strips, and bends over chair/gets on bench ..
She selects RNG (10-20) implements.
She has two countdown timers, one for 3 minutes, one for one minute.
First implement in hand, she starts the 3 minute timer, and beats him as it counts down.
Alarm sounds, she starts the one minute timer, which is his break, and resets the three minute timer.
She readies the next implement, and when one minute timer sounds, she starts 3 minute timer, and beats him until timer sounds.
Continue through all implements.
