There are six files for the clothing code, including this one.

0) ClothingCode.0.ReadMeFirst is this file, and hopefully, you're reading
   it before you tried to use the code.

1) ClothingCode.1.MNA contains a controlling action and is required.  It 
   should be installed first; however, it requires the creation of the 
   action with the following commands: 

   @act wear=me=MNA
   @link wear=$nothing

   It will rename itself with all the commands it uses.

2) ClothingCode.2.Macros contains all the MPI code and is required.

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3) ClothingCode.3.Vixen.Morph contains a base description.  At least 
   one base description is required, but this should only be used as 
   a template.  You will need one base description for every morph.

4) ClothingCode.4.Sexy.Clothing is a sample outfit file.  It uses the 
   same bodypart locations as the base description above.  Numerous
   clothing descriptions can be created, and so long as the base
   description bodypart names are consistent, clothing created that 
   uses the same bodypart locations can be worn by any morph.

---

5) ClothingCode.5.RemoteControl is optional, if the remote control option 
   is desired.  It requires the creation of a object, and a controlling 
   action, with the following commands:

   @create Remote Control==RC
   @link $RC=me
   @set $RC=S
   @set $RC=J
   @act rwear=$RC=RCA
   @link rwear=$nothing

   It will rename itself with all the commands it uses.

   You can delete the $MNA action at this time, if you wish.  Retaining it
   allows you to use the code even when the remote is held by someone else.

   If you choose to delete that action, it is advisable to create an
   echo action as follows:

   @act echo=me
   @link echo=$nothing
   @succ echo={&arg}

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Lastly, there's a file called simpleclothingcode.txt.  This file contains 
a simple version of the clothing code.  It does not include a built-in 
morph program, but will work fine within any morph program you already use.  
It also removes the outfit, padlock, and block commands.  It does have the
option of having a remote control.

If the above version looks like overkill for your needs, check out this one.