First step: Catch her.

Second step: Hold on to her.

Third step: While holding on to her, try to get to your cuffs/ rope/whatever you can get your hands on.

Fourth step: Carry her to the bed/cross/whatever's handy.

Fifth step: Stop and try to catch your breath. (while still trying to hold on to her)

Sixth step: Catch her again.

Seventh step: Threaten her with bodily harm if she don't stand still.

Eighth step: Catch her again.

Ninth step: Threaten to gag her if she doesn't stop laughing.

Tenth step: Drag her back to the bed/cross/whatever is handy.

Eleventh step: Secure her wiggling body.

Twelfth step: Take a nap.

Thirteenth step: Choose your paddle/crop/flogger/what ever is handy.

Fourteenth step: Wake her up.

Fifteenth step: Gag her to stop the giggling.

Sixteenth step: Repeatedly smack her ass till she quits shaking with laughter.

Seventeenth step: Continue spanking till she starts to moan.

Eighteenth step: Give up. No matter what you do you know she's enjoying the hell out of it.