To carry s.t. or s.o. in front in a cloth sling around the neck.
The pa--un imp. focuses on s.t. definite in a sling being placed on s.o. by s.o. The pa--an imp. focuses on the person having a sling placed on him by s.o. The -un imp. focuses on s.t. definite for the person to carry in a sling.
Me' na moo anak na kinandung.
The way she carries her child is by using a cloth sling around her neck.
If he isn't comfortable (carrying things), put a sling on him (to carry things with).