You can always use your mouse and left click on it and move it where you want 
   Razor do have a macro you can record to dress and undress.  
I believe here the answer you wanted.  Like any object in the game you required to scan for it and after perform the action. 
finditem  %ItemID C_ , #CHARID  ; <--- this will scan your paperdoll for the define item.
if #Findkind <> -1 ; <----  if item fount, execute follow
  {
         exevent drag #findid
        exevent Dropc #backpackID
         wait 20
        }