#1 Lay the strap from your sling out straight on a flat surface and fold
the strap over a ruler so that the ruler is covered with the strap.

#2 Insert the strap covered ruler into an open end of your "Sling Comfort".

#3 Continue pushing the ruler all the way through your "Sling Comfort"  

#4 Until it comes out the other end.

#5 Remove the ruler, put the sling strap around your neck.

#6 Connect the sling strap securely.