Dear sissy,
I trust you are preparing yourself well for our session next week. This session will be your final plunge into the realm of sissyhood. Thus far, you have simply dabbled in it, all the while essentially staying a man. All that will change starting from this session.
Starting now, from the moment you finish reading this letter, one thing will change forever. You will never again be without a reminder of sissyhood on your body. At any given time, either your nails will be painted or you will be wearing panties or you will be plugged. Always, awake or asleep, you will know you are a sissy.
Following is how I'd like you to be attired tomorrow. Be sure to follow these instructions exactly, sissy, or you will regret it. No shortcuts either, trust me, I will know. From the inside out then:
1) Chastity device. You will start by putting and locking this on, to get you into the right frame of mind.
2) Butt plug, at least 4 inches. A plugged sissy is a happy sissy.
3) Panties. I'm sure you already have plenty, you dirty little slut, but you will be buying another pair. The colour must be pink. Acceptable styles are bikini, hip-hugger or tanga panties. Try and impress me, my dear.
4) A bra. I trust you know your size, or you will have to go and get measured. The bra should match your panties, any style is acceptable.
5) Garter belt. At least six straps, sissy.
6) Black thigh-high stockings. You knew this was coming, didn't you? Make sure to buy quality. And you'd better make sure there are no runs.
7) A little black dress. Ah, a classic in every woman's wardrobe. And of course, in a sissy's as well. You will have to buy the right size, you wouldn't want to flash your stocking tops to strangers would you?
8) High-heeled pumps, at least 3 inches high. You may bring these with you in a bag.