Here is a goal: To paint an interesting texture on the wall.

Which way makes more sense to accomplish this goal?

[1]. Crumple up plastic grocery bags and dip in the paint. Dab it on the wall, using light pressure.;
[2]. Crumple up plastic grocery bags and dip it in the paint. Dab it on the wall and rinse off the surface with soapy water.;
[1].