How to wear a diaper as an adult<br>Fold the diaper properly. Before you put on your own diaper, make sure to fold it properly. Fold the diaper length-ways with the back sheet facing outwards; you don't want a hard crease, just a soft fold.
A step after this will be to put on the diaper. 
The instructions are for "how to wear a diaper," and these steps don't include putting on the diaper, so it can be assumed that putting on the diaper is one of the following steps. 
( z1 put-on :ARG1 ( z2 diaper ) :ARG4-of ( z3 step :time ( z4 after :op ( z5 this ) ) ) )